diff --git a/src/data/question-groups/devops/content/ansible-benefits.md b/src/data/question-groups/devops/content/ansible-benefits.md
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@@ -0,0 +1,8 @@
+As an open-source tool for configuration management, Ansible provides several benefits when added to your project:
+
+- **Simplicity**: Easy to learn and use with simple YAML syntax.
+- **Agentless**: No need to install agents on managed nodes; instead it uses SSH to communicate with them.
+- **Scalability**: Can manage a large number of servers simultaneously with minimum effort.
+- **Integration**: Ansible integrates well with various cloud providers, CI/CD tools, and infrastructure.
+- **Modularity**: [Extensive library](https://docs.ansible.com/ansible/2.9/modules/list_of_all_modules.html) of modules for different tasks.
+- **Reusability**: Ansible playbooks and roles can be reused and shared across projects.
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diff --git a/src/data/question-groups/devops/content/auto-scaling.md b/src/data/question-groups/devops/content/auto-scaling.md
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+While the specifics will depend on the cloud provider you decide to go with, the generic steps would be the following:
+
+1. **Set up an auto-scaling group**. Create what is usually known as an auto-scaling group, where you configure the minimum and maximum number of instances you can have and their types. Your scaling policies will interact with this group to automate the actions later on.
+2. **Define the scaling policies**. What makes your platform want to scale? Is it traffic? Is it resource allocation? Find the right metric, and configure the policies that will trigger a scale-up or scale-down event on the auto-scaling group you already configured.
+3. **Balance your load**. Now it’s time to set up a load balancer to distribute the traffic amongst all your nodes. 
+4. **Monitor**. Keep a constant monitor over your cluster to understand if your policies are correctly configured, or if you need to adapt and tweak them. Once you’re done with the first 3 steps, this is where you’ll constantly be, as the triggering conditions might change quite often.
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diff --git a/src/data/question-groups/devops/content/blue-green-deployment.md b/src/data/question-groups/devops/content/blue-green-deployment.md
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@@ -0,0 +1,15 @@
+![Blue vs Green Deployment](https://assets.roadmap.sh/guest/blue-green-deployment-example-wmj10.png)
+
+Blue-green deployment is a release strategy that reduces downtime and the risk of production issues by running two identical production environments, referred to as "blue" and "green."
+
+At a high level, the way this process works is as follows:
+
+- **Setup Two Environments**: Prepare two identical environments: blue (current live environment) and green (new version environment).
+- **Deploy to Green**: Deploy the new version of the application to the green environment through your normal CI/CD pipelines.
+- **Testing green**: Perform testing and validation in the green environment to ensure the new version works as expected.
+- **Switch Traffic**: Once the green environment is verified, switch the production traffic from blue to green. Optionally, the traffic switch can be done gradually to avoid potential problems from affecting all users immediately.
+- **Monitor**: Monitor the green environment to ensure it operates correctly with live traffic. Take your time, and make sure you’ve monitored every single major event before issuing the “green light”.
+- **Fallback Plan**: Keep the blue environment intact as a fallback. If any issues arise in the green environment, you can quickly switch traffic back to the blue environment. This is one of the fastest rollbacks you’ll experience in deployment and release management.
+- **Clean Up**: Once the green environment is stable and no issues are detected, you can update the blue environment to be the new staging area for the next deployment.
+
+This way, you ensure minimal downtime (either for new deployments or for rollbacks) and allow for a quick rollback in case of issues with the new deployment.
diff --git a/src/data/question-groups/devops/content/build-pipelines.md b/src/data/question-groups/devops/content/build-pipelines.md
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+A build pipeline is an automated process that compiles, tests, and prepares code for deployment. It typically involves multiple stages, such as source code retrieval, code compilation, running unit tests, performing static code analysis, creating build artifacts, and deploying to one of the available environments.
+
+The build pipeline effectively removes humans from the deployment process as much as possible, clearly reducing the chance of human error. This, in turn, ensures consistency and reliability in software builds and speeds up the development and deployment process.
diff --git a/src/data/question-groups/devops/content/canary-release.md b/src/data/question-groups/devops/content/canary-release.md
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+++ b/src/data/question-groups/devops/content/canary-release.md
@@ -0,0 +1,5 @@
+![Canary Releases](https://assets.roadmap.sh/guest/canarly-release-explained-c8nco.png)
+
+A canary release is a common and well-known deployment strategy. It works this way: when a  new version of an application is ready, instead of deploying it and making it available to everyone, you gradually roll it out to a small subset of users or servers before being released to the entire production environment.
+
+This way, you can test the new version in a real-world environment with minimal risk. If the canary release performs well and no issues are detected, the deployment is gradually expanded to a larger audience until it eventually reaches 100% of the users. If, on the other hand, problems are found, the release can be quickly rolled back with minimal impact.
diff --git a/src/data/question-groups/devops/content/cicd-setup.md b/src/data/question-groups/devops/content/cicd-setup.md
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@@ -0,0 +1,32 @@
+Setting up a CI/CD pipeline from scratch involves several steps. Assuming you’ve already set up your project on a version control system, and everyone in your team has proper access to it, then the next steps would help:
+
+1. **Setup the Continuous Integration (CI)**:
+- Select a continuous integration tool (there are many, like Jenkins, GitLab CI, CircleCI, pick one).
+- Connect the CI tool to your version control system.
+- Write a build script that defines the build process, including steps like code checkout, dependencies installation, compiling the code, and running tests.
+- Set up automated testing to run on every code commit or pull request.
+
+2. **Artifact Storage**:
+- Decide where to store build artifacts (it could be Docker Hub, AWS S3 or anywhere you can then reference from the CD pipeline).
+- Configure the pipeline to package and upload artifacts to the storage after a successful build.
+
+3. **Setup your Continuous Deployment (CD)**:
+- Choose a CD tool or extend your CI tool (same deal as before, there are many options, pick one).
+Define deployment scripts that specify how to deploy your application to different environments (e.g., development, staging, production).
+- Configure the CD tool to trigger deployments after successful builds and tests.
+- Set up environment-specific configurations and secrets management.
+Remember that this system should be able to pull the artifacts from the continuous integration pipeline, so set up that access as well.
+
+4. **Infrastructure Setup**:
+- Provision infrastructure using IaC tools (e.g., Terraform, CloudFormation).
+- Ensure environments are consistent and reproducible to reduce times if there is a need to create new ones or destroy and recreate existing ones. This should be as easy as executing a command without any human intervention.
+
+5. **Setup your monitoring and logging solutions**:
+- Implement monitoring and logging for your applications and infrastructure (e.g., Prometheus, Grafana, ELK stack).
+- Remember to configure alerts for critical issues. Otherwise, you’re missing a key aspect of monitoring (reacting to problems).
+
+6. **Security and Compliance**:
+- By now, it’s a good idea to think about integrating security scanning tools into your pipeline (e.g., Snyk, OWASP Dependency-Check).
+- nsure compliance with relevant standards and practices depending on your specific project’s needs.
+
+Additionally, as a good practice,  you might also want to document the CI/CD process, pipeline configuration, and deployment steps. This is to train new team members on using and maintaining the pipelines you just created.
diff --git a/src/data/question-groups/devops/content/cluster-health.md b/src/data/question-groups/devops/content/cluster-health.md
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+As usual, there are many options when it comes to monitoring and logging solutions, even in the space of Kubernetes. Some useful options could be a Prometheus and Grafana combo, where you get the monitoring data with the first one and plot the results however you want with the second one.
+
+You could also set up an EFK-based (using Elastic, Fluentd, and Kibana) or ELK-based (Elastic, Logstash, and Kibana) logging solution to gather and analyze logs.
+
+Finally, when it comes to alerting based on your monitoring data, you could use something like [Alertmanager](https://github.com/prometheus/alertmanager) that integrates directly with Prometheus and get notified of any issues in your infrastructure.
+
+There are other options out there as well, such as NewRelic or Datadog. In the end, it’s all about your specific needs and the context around them.
diff --git a/src/data/question-groups/devops/content/common-iac-tools.md b/src/data/question-groups/devops/content/common-iac-tools.md
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index 000000000..45ac942a8
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+++ b/src/data/question-groups/devops/content/common-iac-tools.md
@@ -0,0 +1,28 @@
+![Common IaC Tools](https://assets.roadmap.sh/guest/infrastructure-as-code-tools-oyapx.png)
+
+As usual, there are several options out there, some of them specialized in different aspects of IaC.
+
+**Configuration management tools**
+
+If you’re in search of effective configuration management tools to streamline and automate your IT infrastructure, you might consider exploring the following popular options:
+
+- Ansible
+- Chef
+- Puppet
+
+Configuration management tools are designed to help DevOps engineers manage and maintain consistent configurations across multiple servers and environments. These tools automate the process of configuring, deploying, and managing systems, ensuring that your infrastructure remains reliable, scalable, and compliant with your organization's standards.
+
+**Provisioning and orchestration tools**
+
+If, on the other hand, you’re looking for tools to handle provisioning and orchestration of your infrastructure, you might want to explore the following popular options:
+
+- Terraform
+- CloudFormation (AWS)
+- Pulumi
+
+Provisioning and orchestration tools are essential for automating the process of setting up and managing your infrastructure resources. These tools allow you to define your IaC, making it easier to deploy, manage, and scale resources across cloud environments.
+
+Finally, if you’re looking for multi-purpose tools, you can try something like:
+
+- Ansible (can also be used for provisioning)
+- Pulumi (supports both IaC and configuration management)
diff --git a/src/data/question-groups/devops/content/container-consistency.md b/src/data/question-groups/devops/content/container-consistency.md
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+Containers help to add consistency in several ways, here are some examples:
+
+- **Isolation**: Containers encapsulate all the dependencies, libraries, and configurations needed to run an application, isolating it from the host system and other containers. This ensures that the application runs the same way regardless of where the container is deployed.
+- **Portability**: Containers can be run on any environment that supports the container runtime. This means that the same container image can be used on a developer's local machine, a testing environment, or a production server without any kind of modification.
+- **Consistency**: By using the same container image across different environments, you eliminate inconsistencies from differences in configuration, dependencies, and runtime environments. This ensures that if the application works in one environment, it will work in all others.
+- **Version Control**: Container images can be versioned and stored in registries (e.g., Docker Hub, AWS ECR). This allows teams to track and roll back to specific versions of an application if there are problems.
+- **Reproducibility**: Containers make it easier to reproduce the exact environment required for the application. This is especially useful for debugging issues that occur in production but not in development, as developers can recreate the production environment locally.
+- **Automation**: Containers facilitate the use of automated build and deployment pipelines. Automated processes can consistently create, test, and deploy container images.
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diff --git a/src/data/question-groups/devops/content/container-vs-vm.md b/src/data/question-groups/devops/content/container-vs-vm.md
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+A container is a runtime instance of a container image (which is a lightweight, executable package that includes everything needed to run your code). It is the execution environment that runs the application or service defined by the container image. 
+
+When a container is started, it becomes an isolated process on the host machine with its own filesystem, network interfaces, and other resources.
+Containers share the host operating system's kernel, making them more efficient and faster to start than virtual machines.
+
+A virtual machine (VM), on the other hand, is an emulation of a physical computer. Each VM runs a full operating system and has virtualized hardware, which makes them more resource-intensive and slower to start compared to containers.
diff --git a/src/data/question-groups/devops/content/continuous-monitoring.md b/src/data/question-groups/devops/content/continuous-monitoring.md
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index 000000000..d768d0a11
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@@ -0,0 +1,7 @@
+As a DevOps engineer, the concept of continuous monitoring should be ingrained in your brain as a must-perform activity.
+
+You see, continuous monitoring is the practice of constantly overseeing and analyzing an IT system's performance, security, and compliance in real-time.
+
+It involves collecting and assessing data from various parts of the infrastructure to detect issues, security threats, and performance bottlenecks as soon as they occur.
+
+The goal is to ensure the system's health, security, and compliance, enabling quick responses to potential problems and maintaining the overall stability and reliability of the environment. Tools like Prometheus, Grafana, Nagios, and Splunk are commonly used for continuous monitoring.
diff --git a/src/data/question-groups/devops/content/data-migration.md b/src/data/question-groups/devops/content/data-migration.md
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+Handling data migrations in a continuous deployment pipeline is not a trivial task. It requires careful planning to ensure that the application remains functional and data integrity is maintained throughout the process. Here’s an approach:
+
+1. **Backward Compatibility**: Ensure that any database schema changes are backward compatible. This means that the old application version should still work with the new schema. For example, if you're adding a new column, ensure the application can handle cases where this column might be null initially.
+2. **Migration Scripts**: Write database migration scripts that are idempotent (meaning that they can be run multiple times without causing issues) and can be safely executed during the deployment process. Use a tool like Flyway or Liquibase to manage these migrations.
+3. **Separate Deployment Phases**:
+- **Phase 1 - Schema Migration**: Deploy the database migration scripts first, adding new columns, tables, or indexes without removing or altering existing structures that the current application relies on.
+- **Phase 2 - Application Deployment**: Deploy the application code that utilizes the new schema. This ensures that the application is ready to work with the updated database structure.
+- **Phase 3 - Cleanup (Optional)**: After verifying that the new application version is stable, you can deploy a cleanup script to remove or alter deprecated columns, tables, or other schema elements. While optional, this step is advised, as it helps reduce the chances of creating a build up of technical debt for future developers to deal with.
+4. **Feature Flags**: Use feature flags to roll out new features that depend on the data migration. This allows you to deploy the new application code without immediately activating the new features, providing an additional safety net.
+
+That said, an important, non-technical step that should also be taken into consideration is the coordination with stakeholders, particularly if the migration is complex or requires downtime. Clear communication ensures that everyone is aware of the risks and the planned steps.
diff --git a/src/data/question-groups/devops/content/devsecops.md b/src/data/question-groups/devops/content/devsecops.md
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+To implement security in a DevOps pipeline (DevSecOps), you should integrate security practices throughout the development and deployment process. This is not just about securing the app once it’s in production, this is about securing the entire app-creation process.
+
+That includes:
+
+1. **Shift Left Security**: Incorporate security early in the development process by integrating security checks in the CI/CD pipeline. This means performing static code analysis, dependency scanning, and secret detection during the build phase.
+2. **Automated Testing**: Implement automated security tests, such as vulnerability scans and dynamic application security testing (DAST), to identify potential security issues before they reach production.
+3. **Continuous Monitoring**: Monitor the pipeline and the deployed applications for security incidents using tools like Prometheus, Grafana, and specialized security monitoring tools.
+4. **Infrastructure as Code - Security**: Ensure that infrastructure configurations defined in code are secure by scanning IaC templates (like Terraform) for misconfigurations and vulnerabilities (like hardcoded passwords).
+5. **Access Control**: Implement strict access controls, using something like role-based access control (RBAC) or ABAC (attribute-based access control) and enforcing the principle of least privilege across the pipeline.
+6. **Compliance Checks**: Figure out the compliance and regulations of your industry and integrate those checks to ensure the pipeline adheres to industry standards and regulatory requirements.
+7. **Incident Response**: Figure out a clear incident response plan and integrate security alerts into the pipeline to quickly address potential security breaches.
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diff --git a/src/data/question-groups/devops/content/docker-compose.md b/src/data/question-groups/devops/content/docker-compose.md
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+Docker Compose is, in fact, a tool designed to simplify the definition and management of multi-container Docker applications. It allows you to define, configure, and run multiple containers as a single service using a single YAML file.
+
+In a multi-container application, Compose provides the following key roles:
+
+1. **Service Definition**: With Compose you can specify multiple services inside a single file, you can also define how each service should be built, the networks they should connect to, and the volumes they should use (if any).
+2. **Orchestration**: It manages the startup, shutdown, and scaling of services, ensuring that containers are launched in the correct order based on the defined dependencies.
+3. **Environment Management**: Docker Compose simplifies environment configuration because it lets you set environment variables, networking configurations, and volume mounts in the docker-compose.yml file.
+4. **Simplified Commands**:  All of the above can be done with a very simple set of commands you can run directly from the terminal (i.e. docker-compose up, or docker-compose down).
+
+In the end, Docker Compose simplifies the development, testing, and deployment of multi-container applications by giving you, as a user, an extremely friendly and powerful interface.
diff --git a/src/data/question-groups/devops/content/explain-ci-vs-cd.md b/src/data/question-groups/devops/content/explain-ci-vs-cd.md
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@@ -0,0 +1,5 @@
+Continuous Integration (CI) involves automatically building and testing code changes as they are committed to version control systems (usually Git). This helps catch issues early and improves code quality.
+
+On the other hand, Continuous Deployment (CD) goes a step further by automatically deploying every change that passes the CI process, ensuring that software updates are delivered to users quickly and efficiently without manual intervention.
+
+Combined, they add a great deal of stability and agility to the development lifecycle.
diff --git a/src/data/question-groups/devops/content/health-monitor.md b/src/data/question-groups/devops/content/health-monitor.md
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+Each DevOps team should define this list within the context of their own project, however, a good rule of thumb is to consider the following metrics:
+
+1. **Build Success Rate**: The percentage of successful builds versus failed builds. A low success rate indicates issues in code quality or pipeline configuration.
+2. **Build Time**: The time it takes to complete a build. Monitoring build time helps identify bottlenecks and optimize the pipeline for faster feedback.
+3. **Deployment Frequency**: How often deployments occur. Frequent deployments indicate a smooth pipeline, while long gaps may signal issues with your CI/CD or with the actual dev workflow.
+4. **Lead Time for Changes**: The time from code commit to production deployment. Shorter lead times are preferable, indicating an efficient pipeline.
+5. **Mean Time to Recovery (MTTR)**: The average time it takes to recover from a failure. A lower MTTR indicates a resilient pipeline that can quickly address and fix issues.
+6. **Test Coverage and Success Rate**: The percentage of code covered by automated tests and the success rate of those tests. High coverage and success rates are good indicators of better quality and reliability. 
+7. **Change Failure Rate**: The percentage of deployments that result in failures. A lower change failure rate indicates a stable and reliable deployment process.
\ No newline at end of file
diff --git a/src/data/question-groups/devops/content/high-availability.md b/src/data/question-groups/devops/content/high-availability.md
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+Having high availability in your system means that the cluster will always be accessible, even if one or more servers are down.
+
+While disaster recovery means having the ability to continue providing service even in the face of a regional network outage (when multiple sections of the world are rendered unreachable).
+
+To ensure high availability and disaster recovery in a cloud environment, you can follow these strategies if they apply to your particular context:
+
+- **Multi-Region Deployment**: If available, deploy your application across multiple geographic regions to ensure that if one region fails, others can take over, minimizing downtime.
+- **Redundancy**: Keep redundant resources, such as multiple instances, databases, and storage systems, across different availability zones within a region to avoid single points of failure.
+- **Auto-Scaling**: Implement auto-scaling to automatically adjust resource capacity in response to demand, ensuring the application remains available even under high load.
+- **Monitoring and Alerts**: Implement continuous monitoring and set up alerts to detect and respond to potential issues before they lead to downtime. Use tools like CloudWatch, Azure Monitor, or Google Cloud Monitoring.
+- **Failover Mechanisms**: Make sure to set up automated failover mechanisms to switch to backup systems or regions seamlessly in case of a failure in the primary systems.
+
+Whatever strategy (or combination of) you decide to go with, always develop and regularly test a disaster recovery plan that outlines steps for restoring services and data in the event of a major failure.
+
+This plan should include defined RTO (Recovery Time Objective) and RPO (Recovery Point Objective) targets. Being prepared to deal with the worst case scenarios is the only way, as these types of problems tend to cause chaos in small and big companies alike.
diff --git a/src/data/question-groups/devops/content/iac-concept.md b/src/data/question-groups/devops/content/iac-concept.md
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index 000000000..6a5fd5401
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+++ b/src/data/question-groups/devops/content/iac-concept.md
@@ -0,0 +1,9 @@
+![Explain the concept of IaC](https://assets.roadmap.sh/guest/infrastructure-as-code-with-terraform-fbhi6.png)
+
+IaC (Infrastructure as Code) is all about managing infrastructure through code, instead of using other more conventional configuration methods. Specifically in the context of Terraform, here is how you’d want to approach IaC:
+
+- **Configuration Files**: Define your infrastructure using HCL or JSON files.
+- **Execution Plan**: Generate a plan showing the changes needed to reach the desired state.
+- **Resource Provisioning**: Terraform will then apply the plan to provision and configure desired resources.
+- **State Management**: Terraform then tracks the current state of your infrastructure with a state file.
+- **Version Control**: Finally, store the configuration files in a version control system to easily version them and share them with other team members.
\ No newline at end of file
diff --git a/src/data/question-groups/devops/content/implement-logging.md b/src/data/question-groups/devops/content/implement-logging.md
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index 000000000..f233a73ed
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@@ -0,0 +1,6 @@
+Logging for a distributed system is definitely not a trivial problem to solve. While the actual implementation might change based on your particular tech stack, the main aspects to consider are:
+
+- Keep the structure of all logs consistent and the same throughout your platform. This will ensure that whenever you want to explore them in search for details, you’ll be able to quickly move from one to the other without having to change anything.
+- Centralize them somewhere. It can be an ELK stack, it can be Splunk or any of the many solutions available out there. Just make sure you centralize all your logs so that you can easily interact with all of them when required.
+- Add unique IDs to each request that gets logged, that way you can trace the flow of data from service to service. Otherwise, debugging problems becomes a real issue.
+- Add a tool that helps you search, query, and visualize the logs. After all, that’s why you want to keep track of that information, to use it somehow. Find yourself a UI that works for you and use it to explore your logs.
diff --git a/src/data/question-groups/devops/content/kubernetes-components.md b/src/data/question-groups/devops/content/kubernetes-components.md
new file mode 100644
index 000000000..fdcf2784b
--- /dev/null
+++ b/src/data/question-groups/devops/content/kubernetes-components.md
@@ -0,0 +1,19 @@
+There are many components involved, some of them are part of the master node, and others belong to the worker nodes.
+
+Here’s a quick summary:
+
+1. **Master Node Component**s:
+- **API Server**: The front-end for the Kubernetes control plane, handling all RESTful requests for the cluster.
+- **etcd**: A distributed key-value store that holds the cluster's configuration and state.
+- **Controller** Manager: Manages various controllers that regulate the state of the cluster.
+- **Scheduler**: Assigns workloads to different nodes based on resource availability and other constraints.
+2. *Worker Node Components*:
+- **Kubelet**: This is an agent that runs on each node, and it ensures that each container is running in a Pod.
+- **Kube-proxy**: A network proxy that maintains network rules and handles routing for services.
+- **Container Runtime**: This software runs containers, such as Docker, containerd, or CRI-O.
+3. **Additional Components**:
+- **Pods**: These are the smallest deployable units in Kubernetes; they consist of one or more containers.
+- **Services**: Services define a logical set of Pods and a policy for accessing them, they’re often used for load balancing.
+- **ConfigMaps and Secrets**: They manage configuration data and sensitive information, respectively.
+- **Ingress**: It manages external access to services, typically through HTTP/HTTPS.
+- **Namespaces**: They provide a mechanism for isolating groups of resources within a single cluster.
\ No newline at end of file
diff --git a/src/data/question-groups/devops/content/kubernetes-operators.md b/src/data/question-groups/devops/content/kubernetes-operators.md
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@@ -0,0 +1,15 @@
+As with any piece of software solution, there are no absolutes. In the case of Kubernetes Operators, while they do offer significant benefits for automating and managing complex applications, they also introduce additional complexity and resource requirements.
+
+**Advantages of Kubernetes Operators**:
+
+1. **Automation of Complex Tasks**: Operators automate the management of complex stateful applications, such as databases, reducing the need for manual intervention.
+2. **Consistency**: They help reduce human error and increase reliability by ensuring consistent deployments, scaling, and management of applications across environments.
+3. **Custom Resource Management**: Operators allow you to manage custom resources in Kubernetes, extending its capabilities to support more complex applications and services.
+4. **Simplified Day-2 Operations**: Operators streamline tasks like backups, upgrades, and failure recovery, making it easier to manage applications over time.
+
+**Disadvantages of Kubernetes Operators**:
+
+1. **Complexity**: Developing and maintaining Operators can be complex and require in-depth knowledge of both Kubernetes and the specific application being managed.
+2. **Overhead**: Running Operators adds additional components to your Kubernetes cluster, which can increase resource consumption and operational overhead.
+3. **Limited Use Cases**: Not all applications benefit from the complexity of an Operator; for simple stateless applications, Operators might be overkill.
+4. **Maintenance**: Operators need to be regularly maintained and updated, especially as Kubernetes itself keeps evolving, which can add to the maintenance burden.
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diff --git a/src/data/question-groups/devops/content/load-balancer.md b/src/data/question-groups/devops/content/load-balancer.md
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@@ -0,0 +1,7 @@
+![What is a load balancer?](https://assets.roadmap.sh/guest/loadbalancer-working-eytvi.png)
+
+A load balancer is a device or software that distributes incoming network traffic across multiple servers to ensure no single server becomes overwhelmed.
+
+It is important because it improves the availability, reliability, and performance of applications by evenly distributing the load, preventing server overload, and providing failover capabilities in case of server failures.
+
+Load balancers are usually used when scaling up RESTful microservices, because given their stateless nature, you can set up multiple copies of the same one behind a load balancer and let it distribute the load amongst all copies evenly.
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diff --git a/src/data/question-groups/devops/content/microservice-challenges.md b/src/data/question-groups/devops/content/microservice-challenges.md
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+While in theory microservices can solve all platform problems, in practice there are several challenges that you might encounter along the way. 
+
+Some examples are:
+
+1. **Complexity**: Managing multiple services increases the overall system complexity, making development, deployment, and monitoring more challenging (as there are more “moving parts”).
+2. **Service Communication**: Ensuring reliable communication between services, handling network latency, and dealing with issues like service discovery and API versioning can be difficult. There are of course alternatives to deal with all of these issues, but they’re not evident right off the bat nor the same for everyone.
+3. **Data Management**: It’s all about trade-offs in the world of distributed computing. Managing data consistency and transactions across distributed services is complex, often requiring techniques like eventual consistency and distributed databases. 
+4. **Deployment Overhead**: Coordinating the deployment of multiple services, especially when they have interdependencies, can lead to more complex CI/CD pipelines.
+5. **Monitoring and Debugging**: Troubleshooting issues is harder in a microservices architecture due to the distributed nature of the system. Trying to figure out where the information goes and which services are involved in a single request can be quite a challenge for large platforms. This makes debugging microservices architecture a real headache.
+6. **Security**: Securing microservices involves managing authentication, authorization, and data protection across multiple services, often with varying security requirements.
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diff --git a/src/data/question-groups/devops/content/microservice-vs-monolithic.md b/src/data/question-groups/devops/content/microservice-vs-monolithic.md
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@@ -0,0 +1,11 @@
+![Microservice vs Monolithic](https://assets.roadmap.sh/guest/microservice-vs-monolith-2og84.png)
+
+A microservice is an architectural style that structures an application as a collection of small, loosely coupled, and independently deployable services (hence the term “micro”).
+
+Each service focuses on a specific business domain and can communicate with others through well-defined APIs.
+
+In the end, your application is not (usually) composed of a single microservice (that would make it monolith), instead, its architecture consists of multiple microservices working together to serve the incoming requests.
+
+On the other hand, a monolithic application is a single (often massive) unit where all functions and services are interconnected and run as a single process.
+
+The biggest difference between monoliths and microservices is that changes to a monolithic application require the entire system to be rebuilt and redeployed, while microservices can be developed, deployed, and scaled independently, allowing for greater flexibility and resilience.
diff --git a/src/data/question-groups/devops/content/migrate-environment.md b/src/data/question-groups/devops/content/migrate-environment.md
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@@ -0,0 +1,8 @@
+To migrate an existing application into a containerized environment, you’ll need to adapt the following steps to your particular context:
+
+1. Figure out what parts of the application need to be containerized together.
+2. Create your Dockerfiles and define the entire architecture in that configuration, including the interservice dependencies that there might be.
+3. Figure out if you also need to containerize any external dependency, such as a database. If you do, add that to the Dockerfile.
+4. Build the actual docker image.
+5. Once you make sure it runs locally, configure the orchestration tool you use to manage the containers.
+6. You’re now ready to deploy to production, however, make sure you keep monitoring and alerting on any problem shortly after the deployment in case you need to roll back.
diff --git a/src/data/question-groups/devops/content/multi-cloud-kubernetes.md b/src/data/question-groups/devops/content/multi-cloud-kubernetes.md
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index 000000000..34116b0f8
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@@ -0,0 +1,5 @@
+The process is pretty much the same as it was described above, with an added step to set up the actual Kubernetes cluster:
+
+Use Terraform to define and provision Kubernetes clusters in each cloud. For instance, create an EKS cluster on AWS, an AKS cluster on Azure, and a GKE cluster on Google Cloud, specifying configurations such as node types, sizes, and networking.
+
+Once you’re ready, make sure to set up the Kubernetes auto-scaler on each of the cloud providers to manage resources and scale based on the load they receive.
diff --git a/src/data/question-groups/devops/content/multi-cloud.md b/src/data/question-groups/devops/content/multi-cloud.md
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@@ -0,0 +1,9 @@
+Setting up a multi-cloud infrastructure using Terraform involves the following steps:
+
+1. **Define Providers**: In your Terraform configuration files, define the providers for each cloud service you intend to use (e.g., AWS, Azure, Google Cloud). Each provider block will configure how Terraform interacts with that specific cloud.
+2. **Create Resource Definitions**: In the same or separate Terraform files, define the resources you want to provision in each cloud. For example, you might define AWS EC2 instances, Azure Virtual Machines, and Google Cloud Storage buckets within the same project.
+3. **Set Up State Management**: Use a remote backend to manage Terraform state files centrally and securely. This is crucial for multi-cloud setups to ensure consistency and to allow collaboration among team members.
+4. **Configure Networking**: Design and configure networking across clouds, including VPCs, subnets, VPNs, or peering connections, to enable communication between resources in different clouds.
+5. **Provision Resources**: Run terraform init to initialize the configuration, then terraform plan to preview the changes, and finally terraform apply to provision the infrastructure across the multiple cloud environments.
+6. **Handle Authentication**: Ensure that each cloud provider's authentication (e.g., access keys, service principals) is securely handled, possibly using environment variables or a secret management tool. Do not hardcode sensitive information in your code, ever.
+7. **Monitor and Manage**: As always, after deploying, use Terraform's state files and output to monitor the infrastructure.
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diff --git a/src/data/question-groups/devops/content/network-configuration.md b/src/data/question-groups/devops/content/network-configuration.md
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+Managing the network configuration is not a trivial task, especially when the architecture is big and complex.
+
+- Specifically in a cloud environment, managing network configurations involves several steps:
+Creating and isolating resources within Virtual Private Clouds (VPCs), organizing them into subnets, and controlling traffic using security groups and network ACLs. 
+- Set up load balancers to distribute traffic for better performance, while setting up DNS services at the same time to manage domain routing. 
+- Have VPNs and VPC peering connect cloud resources securely with other networks. 
+- Finally, automation tools like Terraform handle network setups consistently, and monitoring tools ensure everything runs smoothly.
diff --git a/src/data/question-groups/devops/content/optimize-cicd.md b/src/data/question-groups/devops/content/optimize-cicd.md
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+++ b/src/data/question-groups/devops/content/optimize-cicd.md
@@ -0,0 +1,9 @@
+There are many ways in which you can optimize a CI/CD pipeline for performance and reliability, it all depends highly on the tech stack and your specific context (your app, your CI/CD setup, etc). However, the following are some potential solutions to this problem:
+
+1. **Parallelize Jobs**: As long as you can, try to run independent jobs in parallel to reduce overall build and test times. This ensures faster feedback and speeds up the entire pipeline.
+2. **Optimize Build Caching**: Use caching mechanisms to avoid redundant work, such as re-downloading dependencies or rebuilding unchanged components. This can significantly reduce build times.
+3. **Incremental Builds**: Implement incremental builds that only rebuild parts of the codebase that have changed, rather than the entire project. This is especially useful for large projects with big codebases.
+4. **Efficient Testing**: Prioritize and parallelize tests, running faster unit tests early and reserving more intensive integration or end-to-end tests for later stages. Be smart about it and use test impact analysis to only run tests affected by recent code changes.
+5. **Monitor Pipeline Health**: Continuously monitor the pipeline for bottlenecks, failures, and performance issues. Use metrics and logs to identify and address inefficiencies.
+6. **Environment Consistency**: Ensure that build, test, and production environments are consistent to avoid "it works on my machine" issues. Use containerization or Infrastructure as Code (IaC) to maintain environment parity. Your code should work in all environments, and if it doesn’t, it should not be the fault of the environment.
+7. **Pipeline Stages**: Use pipeline stages wisely to catch issues early. For example, fail fast on linting or static code analysis before moving on to more resource-intensive stages.
diff --git a/src/data/question-groups/devops/content/orchestration.md b/src/data/question-groups/devops/content/orchestration.md
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+Orchestration in DevOps refers to the automated coordination and management of complex IT systems. It involves combining multiple automated tasks and processes into a single workflow to achieve a specific goal.
+
+Nowadays, automation (or orchestration) is one of the key components of any software development process and it should never be avoided nor preferred over manual configuration.
+
+As an automation practice, orchestration helps to remove the chance of human error from the different steps of the software development lifecycle. This is all to ensure efficient resource utilization and consistency.
+
+Some examples of orchestration can include orchestrating container deployments with Kubernetes and automating infrastructure provisioning with tools like Terraform.
diff --git a/src/data/question-groups/devops/content/popular-cicd-tools.md b/src/data/question-groups/devops/content/popular-cicd-tools.md
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@@ -0,0 +1,21 @@
+There are too many out there to name them all, but we can group them into two main categories: on-prem and cloud-based.
+
+**On-prem CI/CD tools**
+
+These tools allow you to install them on your own infrastructure and don’t require any extra external internet access. Some examples are:
+
+- Jenkins
+- GitLab CI/CD (can be self-hosted)
+- Bamboo
+- TeamCity
+
+**Cloud-based CI/CD tools**
+
+On the other hand, these tools either require you to use them from the cloud or are only accessible in SaaS format, which means they provide the infrastructure, and you just use their services.
+
+Some examples of these tools are:
+- CircleCI
+- Travis CI
+- GitLab CI/CD (cloud version)
+- Azure DevOps
+- Bitbucket Pipelines
diff --git a/src/data/question-groups/devops/content/purpose-of-cm.md b/src/data/question-groups/devops/content/purpose-of-cm.md
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+When organizations and platforms grow large enough, keeping track of how different areas of the IT ecosystem (infrastructure, deployment pipelines, hardware, etc) are meant to be configured becomes a problem, and finding a way to manage that chaos suddenly becomes a necessity.
+That is where configuration management comes into play.
+
+The purpose of a configuration management tool is to automate the process of managing and maintaining the consistency of software and hardware configurations across an organization's infrastructure.
+
+It makes sure that systems are configured correctly, updates are applied uniformly, and configurations are maintained according to predefined standards.
+
+This helps reduce configuration errors, increase efficiency, and ensure that environments are consistent and compliant.
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diff --git a/src/data/question-groups/devops/content/reverse-proxy.md b/src/data/question-groups/devops/content/reverse-proxy.md
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@@ -0,0 +1,5 @@
+![Reverse Procy Explained](https://assets.roadmap.sh/guest/reverse-proxy-explained-t12iw.png)
+
+A reverse proxy is a piece of software that sits between clients and backend servers, forwarding client requests to the appropriate server and returning the server's response to the client. It helps with load balancing, security, caching, and handling SSL termination.
+
+An example of a reverse proxy is **Nginx**. For example, if you have a web application running on several backend servers, Nginx can distribute incoming HTTP requests evenly among these servers. This setup improves performance, enhances fault tolerance, and ensures that no single server is overwhelmed by traffic.
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diff --git a/src/data/question-groups/devops/content/role-of-devops.md b/src/data/question-groups/devops/content/role-of-devops.md
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@@ -0,0 +1,15 @@
+This is probably one of the most common DevOps interview questions out there because by answering it correctly, you show that you actually know what DevOps engineers (A.K.A “you”) are supposed to work on.
+
+That said, this is not a trivial question to answer because different companies will likely implement DevOps with their own “flavor” and in their own way.
+
+At a high level, the role of a DevOps engineer is to bridge the gap between development and operations teams with the aim of improving the development lifecycle and reducing deployment errors. 
+
+With that said other key responsibilities may include:
+
+- Implementing and managing CI/CD pipelines.
+- Automating infrastructure provisioning and configuration using IaC tools.
+- Monitoring and maintaining system performance, security, and availability.
+- Collaborating with developers to streamline code deployments and ensure smooth operations.
+- Managing and optimizing cloud infrastructure.
+- Ensuring system scalability and reliability.
+- Troubleshooting and resolving issues across the development and production environments.
diff --git a/src/data/question-groups/devops/content/scaling-differences.md b/src/data/question-groups/devops/content/scaling-differences.md
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@@ -0,0 +1,17 @@
+![Vertical vs Horizontal Scaling](https://assets.roadmap.sh/guest/vertical-scaling-vs-horizontal-scaling-dfy6m.png)
+
+They’re both valid scaling techniques, but they both have different limitations on the affected system.
+
+**Horizontal Scaling**
+
+- Involves adding more machines or instances to your infrastructure.
+- Increases capacity by connecting multiple hardware or software entities so they work as a single logical unit.
+- Often used in distributed systems and cloud environments.
+
+**Vertical Scaling**
+
+- Involves adding more resources (CPU, RAM, storage) to an existing machine.
+- Increases capacity by enhancing the power of a single server or instance.
+- Limited by the maximum capacity of the hardware.
+
+In summary, horizontal scaling adds more machines to handle increased load, while vertical scaling enhances the power of existing machines.
diff --git a/src/data/question-groups/devops/content/secret-management.md b/src/data/question-groups/devops/content/secret-management.md
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@@ -0,0 +1,6 @@
+There are many ways to handle secrets management in a DevOps pipeline, some of them involve:
+
+- Storing secrets in environment variables managed by the CI/CD tool.
+- Using secret management tools like HashiCorp Vault, AWS Secrets Manager, or Azure Key Vault to securely store and retrieve secrets. 
+- Encrypted configuration files are also an option, with decryption keys stored securely somewhere else. 
+- Whatever strategy you decide to go with, it's crucial to implement strict access controls and permissions, integrate secret management tools with CI/CD pipelines to fetch secrets securely at runtime, and above all, avoid hardcoding secrets in code repositories or configuration files.
diff --git a/src/data/question-groups/devops/content/serverless-computing.md b/src/data/question-groups/devops/content/serverless-computing.md
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@@ -0,0 +1,5 @@
+Contrary to popular belief, serverless computing doesn’t mean there are no servers, in fact, there are, however, you just don’t need to worry about them.
+
+Serverless computing is a cloud computing model where the cloud provider automatically manages the infrastructure, allowing developers to focus solely on writing and deploying code. In this model, you don't have to manage servers or worry about scaling, as the cloud provider dynamically allocates resources as needed.
+
+One of the great qualities of this model is that you pay only for the compute time your code actually uses, rather than for pre-allocated infrastructure (like you would for a normal server).
diff --git a/src/data/question-groups/devops/content/stateful-applications.md b/src/data/question-groups/devops/content/stateful-applications.md
new file mode 100644
index 000000000..be99722cf
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@@ -0,0 +1,12 @@
+Handling stateful applications in a Kubernetes environment requires careful management of persistent data; you need to ensure that data is retained even if Pods are rescheduled or moved.
+
+Here’s one way you can do it:
+
+1. **Persistent Volumes (PVs) and Persistent Volume Claims (PVCs)**: Use Persistent Volumes to define storage resources in the cluster, and Persistent Volume Claims to request specific storage. This way you decouple storage from the lifecycle of Pods, ensuring that data persists independently of Pods.
+2. **StatefulSets**: Deploy stateful applications using StatefulSets instead of Deployments. StatefulSets ensure that Pods have stable, unique network identities and persistent storage, which is crucial for stateful applications like databases.
+3. **Storage Classes**: Use Storage Classes to define the type of storage (e.g., SSD, HDD) and the dynamic provisioning of Persistent Volumes. This allows Kubernetes to automatically provision the appropriate storage based on the application's needs.
+4. **Headless Services**: Configure headless services to manage network identities for StatefulSets. This allows Pods to have consistent DNS names, which is important for maintaining stateful connections between Pods.
+5. **Backup and Restore**: Implement backup and restore mechanisms to protect the persistent data. Tools like Velero can be used to back up Kubernetes resources and persistent volumes.
+6. **Data Replication**: For critical applications, set up data replication across multiple zones or regions to ensure high availability and data durability.
+
+As always, continuously monitor the performance and health of stateful applications using Kubernetes-native tools (e.g., Prometheus) and ensure that the storage solutions meet the performance requirements of the application.
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diff --git a/src/data/question-groups/devops/content/what-is-devops.md b/src/data/question-groups/devops/content/what-is-devops.md
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+DevOps is a set of practices that combines software development (Dev) and IT operations (Ops). Its main goal is to shorten (and simplify) the software development lifecycle and provide continuous delivery with high software quality. 
+
+It is important because it helps to improve collaboration between development and operations teams which in turn, translates into increasing deployment frequency, reducing failure rates of new releases, and speeding up recovery time. 
diff --git a/src/data/question-groups/devops/content/what-is-docker.md b/src/data/question-groups/devops/content/what-is-docker.md
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@@ -0,0 +1,9 @@
+Docker is an open-source platform that enables developers to create, deploy, and run applications within lightweight, portable containers. These containers package an application along with all of its dependencies, libraries, and configuration files.
+
+That, in turn, ensures that the application can run consistently across various computing environments.
+
+Docker has become one of the most popular DevOps tools because it provides a consistent and isolated environment for development, continuous testing, and deployment. This consistency helps to eliminate the common "it works on my machine" problem by ensuring that the application behaves the same way, regardless of where it is run—whether on a developer's local machine, a testing server, or in production.
+
+Additionally, Docker simplifies the management of complex applications by allowing developers to break them down into smaller, manageable microservices, each running in its own container.
+
+This approach not only supports but also enhances scalability, and flexibility and it makes it easier to manage dependencies, version control, and updates.
diff --git a/src/data/question-groups/devops/content/what-is-gitops.md b/src/data/question-groups/devops/content/what-is-gitops.md
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index 000000000..371d7a7de
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@@ -0,0 +1,9 @@
+GitOps is a practice that uses Git as the single source of truth for infrastructure and application management. It takes advantage of Git repositories to store all configuration files and through automated processes, it ensures that both infrastructure and application configuration match the described state in the repo.
+
+The main differences between GitOps and traditional CI/CD are:
+
+- **Source of Truth**: GitOps uses Git as the single source of truth for both infrastructure and application configurations. In traditional CI/CD, configurations may be scattered across various tools and scripts.
+- **Deployment Automation**: In GitOps, changes are automatically applied by reconciling the desired state in Git with the actual state in the environment. Traditional CI/CD often involves manual steps for deployment.
+- **Declarative Approach**: GitOps emphasizes a declarative approach where the desired state is defined in Git and the system automatically converges towards it. Traditional CI/CD often uses imperative scripts to define steps and procedures to get the system to the state it should be in.
+- **Operational Model**: GitOps operates continuously, monitoring for changes in Git and applying them in near real-time. Traditional CI/CD typically follows a linear pipeline model with distinct build, test, and deploy stages.
+- **Rollback and Recovery**: GitOps simplifies rollbacks and recovery by reverting changes in the Git repository, which is a native mechanism and automatically triggers the system to revert to the previous state. Traditional CI/CD may require extra work and configuration to roll back changes.
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diff --git a/src/data/question-groups/devops/content/what-is-helm-chart.md b/src/data/question-groups/devops/content/what-is-helm-chart.md
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index 000000000..a15911571
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+++ b/src/data/question-groups/devops/content/what-is-helm-chart.md
@@ -0,0 +1,8 @@
+A Helm chart is a set of YAML templates used to configure Kubernetes resources. It simplifies the deployment and management of applications within a Kubernetes cluster by bundling all necessary components (such as deployments, services, and configurations) into a single, reusable package.
+
+Helm charts are used in Kubernetes to:
+
+- **Simplify Deployments**: By using Helm charts, you can deploy complex applications with a single command.
+- **Version Control**: Given how they’re just plain-text files, helm charts support versioning, allowing you to track and roll back to previous versions of your applications easily.
+- **Configuration Management**: They allow you to manage configuration values separately from the Kubernetes manifests, making it easier to update and maintain configurations.
+- **Reuse and Share**: Helm charts can be reused and shared across different projects and teams, promoting best practices and consistency.
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diff --git a/src/data/question-groups/devops/content/what-is-iac.md b/src/data/question-groups/devops/content/what-is-iac.md
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index 000000000..06601c4bb
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+++ b/src/data/question-groups/devops/content/what-is-iac.md
@@ -0,0 +1,5 @@
+![Explain Infrastructure as Code](https://assets.roadmap.sh/guest/infrastructure-as-code-explained-4dpxm.png)
+
+IaC is the practice of managing and provisioning infrastructure through machine-readable configuration files (in other words, “code”), rather than through physical hardware configuration or interactive configuration tools. 
+
+By keeping this configuration in code format, we now gain the ability to keep it stored in version control platforms, and automate their deployment consistently across environments, reducing the risk of human error and increasing efficiency in infrastructure management.
diff --git a/src/data/question-groups/devops/content/what-is-kubernetes.md b/src/data/question-groups/devops/content/what-is-kubernetes.md
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index 000000000..69d874fa3
--- /dev/null
+++ b/src/data/question-groups/devops/content/what-is-kubernetes.md
@@ -0,0 +1,7 @@
+![What is Kubernetes](https://assets.roadmap.sh/guest/kubernetes-logo-with-docker-4f0q6.png)
+
+If we’re talking about DevOps tools, then Kubernetes is a must-have. Specifically, Kubernetes is an open-source container orchestration platform. That means it can automate the deployment, scaling, and management of containerized applications.
+
+It is widely used because it simplifies the complex tasks of managing containers for large-scale applications, such as ensuring high availability, load balancing, rolling updates, and self-healing.
+
+Kubernetes helps organizations run and manage applications more efficiently and reliably in various environments, including on-premises, cloud, or hybrid setups.
diff --git a/src/data/question-groups/devops/content/what-is-prometheus.md b/src/data/question-groups/devops/content/what-is-prometheus.md
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@@ -0,0 +1,3 @@
+As a DevOps engineer, knowing your tools is key, given how many are out there, understanding  which ones get the job done is important.
+
+In this case, Prometheus is an open-source monitoring and alerting tool designed for reliability and scalability. It is widely used to monitor applications and infrastructure by collecting metrics, storing them in a time-series database, and providing powerful querying capabilities.
diff --git a/src/data/question-groups/devops/content/what-is-rollback.md b/src/data/question-groups/devops/content/what-is-rollback.md
new file mode 100644
index 000000000..370cecffd
--- /dev/null
+++ b/src/data/question-groups/devops/content/what-is-rollback.md
@@ -0,0 +1,5 @@
+A rollback is the process of reverting a system to a previous stable state, typically after a failed or problematic deployment to production.
+
+You would perform a rollback when a new deployment causes one or several of the following problems: application crashes, significant bugs, security vulnerabilities, or performance problems.
+
+The goal is to restore the system to a known “good” state while minimizing downtime and the impact on users while investigating and resolving the issues with the new deployment.
diff --git a/src/data/question-groups/devops/content/what-is-service-mesh.md b/src/data/question-groups/devops/content/what-is-service-mesh.md
new file mode 100644
index 000000000..4d5c0ff6b
--- /dev/null
+++ b/src/data/question-groups/devops/content/what-is-service-mesh.md
@@ -0,0 +1,11 @@
+![What is a Service Mesh?](https://assets.roadmap.sh/guest/service-mesh-vs-normal-microservices-dns8i.png)
+
+A service mesh is a dedicated layer in a system’s architecture for handling service-to-service communication.
+
+This is a very common problem to solve when your microservice-based architecture grows out of control. Suddenly having to understand how to orchestrate them all in a way that is reliable and scalable becomes more of a chore.
+
+While teams can definitely come up with solutions to this problem, using a ready-made solution is also a great alternative.
+
+A service mesh manages tasks like load balancing, service discovery, encryption, authentication, authorization, and observability,  without requiring changes to the application code (so it can easily be added once the problem presents, instead of planning for it from the start).
+
+There are many products out there that provide this functionality, but some examples are Istio, Linkerd, and Consul.
diff --git a/src/data/question-groups/devops/content/what-is-shift-left.md b/src/data/question-groups/devops/content/what-is-shift-left.md
new file mode 100644
index 000000000..bd41bea12
--- /dev/null
+++ b/src/data/question-groups/devops/content/what-is-shift-left.md
@@ -0,0 +1,3 @@
+The concept of 'shift left' in DevOps refers to the practice of performing tasks earlier in the software development lifecycle.
+
+This includes integrating testing, security, and other quality checks early in the development process rather than at the end. The goal is to identify and fix issues sooner, thus reducing defects, improving quality, and speeding up software delivery times.
diff --git a/src/data/question-groups/devops/content/what-is-version-control.md b/src/data/question-groups/devops/content/what-is-version-control.md
new file mode 100644
index 000000000..6115b4848
--- /dev/null
+++ b/src/data/question-groups/devops/content/what-is-version-control.md
@@ -0,0 +1,7 @@
+Version control is a system that records changes to files over time so that specific versions can be recalled later or multiple developers can work on the same codebase and eventually merge their work streams together with minimum effort.
+
+It is important in DevOps because it allows multiple team members to collaborate on code, tracks and manages changes efficiently, enables rollback to previous versions if issues arise, and supports automation in CI/CD pipelines, ensuring consistent and reliable software delivery (which is one of the key principles of DevOps).
+
+In terms of tooling, one of the best and most popular version control systems is Git. It provides what is known as a distributed version control system, giving every team member a piece of the code so they can branch it, work on it however they feel like it, and push it back to the rest of the team once they’re done.
+
+That said, there are other legacy teams using alternatives like CSV or SVN.
diff --git a/src/data/question-groups/devops/content/zero-downtime.md b/src/data/question-groups/devops/content/zero-downtime.md
new file mode 100644
index 000000000..b65e4afae
--- /dev/null
+++ b/src/data/question-groups/devops/content/zero-downtime.md
@@ -0,0 +1,6 @@
+Zero-downtime deployments are crucial to maintain the stability of service with high-traffic applications. To achieve this, there are many different strategies, some of which we’ve already covered in this article.
+
+1. **Blue-Green Deployment**: Set up two identical environments—blue (current live) and green (new version). Deploy the new version to the green environment, test it, and then switch traffic from blue to green. This ensures that users experience no downtime.
+2. **Canary Releases**: Gradually route a small percentage of traffic to the new version while the rest continues to use the current version. Monitor the new version's performance, and if successful, progressively increase the traffic to the new version.
+3. **Rolling Deployments**: Update a subset of instances or Pods at a time, gradually rolling out the new version across all servers or containers. This method ensures that some instances remain available to serve traffic while others are being updated.
+4. **Feature Flags**: Deploy the new version with features toggled off. Gradually enable features for users without redeploying the code. This allows you to test new features in production and quickly disable them if issues arise.
\ No newline at end of file
diff --git a/src/data/question-groups/devops/devops.md b/src/data/question-groups/devops/devops.md
new file mode 100644
index 000000000..c64f80b7d
--- /dev/null
+++ b/src/data/question-groups/devops/devops.md
@@ -0,0 +1,246 @@
+---
+order: 6
+briefTitle: 'DevOps'
+briefDescription: 'Get ready for your DevOps interview with 50 popular questions and answers that cover tools, pipelines, and key practices.'
+title: 'Top 50 Popular DevOps Interview Questions (and Answers)'
+description: 'Get ready for your DevOps interview with 50 popular questions and answers that cover tools, pipelines, and key practices.'
+authorId: 'fernando'
+isNew: true
+date: 2024-08-20
+seo:
+  title: 'Top 50 Popular DevOps Interview Questions (and Answers)'
+  description: 'Get ready for your DevOps interview with 50 popular questions and answers that cover tools, pipelines, and key practices.'
+  keywords:
+    - 'devops quiz'
+    - 'devops questions'
+    - 'devops interview questions'
+    - 'devops interview'
+    - 'devops test'
+sitemap:
+  priority: 1
+  changefreq: 'monthly'
+questions:
+  - question: What is DevOps, and why is it important?
+    answer: what-is-devops.md
+    topics:
+      - 'Beginner'
+  - question: Explain the difference between continuous integration and continuous deployment.
+    answer: explain-ci-vs-cd.md
+    topics:
+      - 'Beginner'
+  - question: What is a container, and how is it different from a virtual machine?
+    answer: container-vs-vm.md
+    topics:
+      - 'Beginner'
+  - question: Name some popular CI/CD tools.
+    answer: popular-cicd-tools.md
+    topics:
+      - 'Beginner'
+  - question: What is Docker, and why is it used?
+    answer: what-is-docker.md
+    topics:
+      - 'Beginner'
+  - question: Can you explain what infrastructure as code (IaC) is?
+    answer: what-is-iac.md
+    topics:
+      - 'Beginner'
+  - question: What are some common IaC tools?
+    answer: common-iac-tools.md
+    topics:
+      - 'Beginner'
+  - question: What is version control, and why is it important in DevOps?
+    answer: what-is-version-control.md
+    topics:
+      - 'Beginner'
+  - question: Explain the concept of 'shift left' in DevOps.
+    answer: what-is-shift-left.md
+    topics:
+      - 'Beginner'
+  - question: What is a microservice, and how does it differ from a monolithic application?
+    answer: microservice-vs-monolithic.md
+    topics:
+      - 'Beginner'
+  - question: What is a build pipeline?
+    answer: build-pipelines.md
+    topics:
+      - 'Beginner'
+  - question: What is the role of a DevOps engineer?
+    answer: role-of-devops.md
+    topics:
+      - 'Beginner'
+  - question: What is Kubernetes, and why is it used?
+    answer: what-is-kubernetes.md
+    topics:
+      - 'Beginner'
+  - question: Explain the concept of orchestration in DevOps.
+    answer: orchestration.md
+    topics:
+      - 'Beginner'
+  - question: What is a load balancer, and why is it important?
+    answer: load-balancer.md
+    topics:
+      - 'Beginner'
+  - question: What is the purpose of a configuration management tool?
+    answer: purpose-of-cm.md
+    topics:
+      - 'Beginner'
+  - question: What is continuous monitoring?
+    answer: continuous-monitoring.md
+    topics:
+      - 'Beginner'
+  - question: What's the difference between horizontal and vertical scaling?
+    answer: scaling-differences.md
+    topics:
+      - 'Beginner'
+  - question: What is a rollback, and when would you perform one?
+    answer: what-is-rollback.md
+    topics:
+      - 'Beginner'
+  - question: Explain what a service mesh is
+    answer: what-is-service-mesh.md
+    topics:
+      - 'Beginner'
+  - question: Describe how you would set up a CI/CD pipeline from scratch
+    answer: cicd-setup.md
+    topics:
+      - 'Intermediate'
+  - question: How do containers help with consistency in development and production environments?
+    answer: container-consistency.md
+    topics:
+      - 'Intermediate'
+  - question: Explain the concept of 'infrastructure as code' using Terraform.
+    answer: iac-concept.md
+    topics:
+      - 'Intermediate'
+  - question: What are the benefits of using Ansible for configuration management?
+    answer: ansible-benefits.md
+    topics:
+      - 'Intermediate'
+  - question: How do you handle secrets management in a DevOps pipeline?
+    answer: secret-management.md
+    topics:
+      - 'Intermediate'
+  - question: What is GitOps, and how does it differ from traditional CI/CD?
+    answer: what-is-gitops.md
+    topics:
+      - 'Intermediate'
+  - question: Describe the process of blue-green deployment.
+    answer: blue-green-deployment.md
+    topics:
+      - 'Intermediate'
+  - question: What are the main components of Kubernetes?
+    answer: kubernetes-components.md
+    topics:
+      - 'Intermediate'
+  - question: How would you monitor the health of a Kubernetes cluster?
+    answer: cluster-health.md
+    topics:
+      - 'Intermediate'
+  - question: What is a Helm chart, and how is it used in Kubernetes?
+    answer: what-is-helm-chart.md
+    topics:
+      - 'Intermediate'
+  - question: Explain the concept of a canary release
+    answer: canary-release.md
+    topics:
+      - 'Intermediate'
+  - question: What is the role of Docker Compose in a multi-container application?
+    answer: docker-compose.md
+    topics:
+      - 'Intermediate'
+  - question: How would you implement auto-scaling in a cloud environment?
+    answer: auto-scaling.md
+    topics:
+      - 'Intermediate'
+  - question: What are some common challenges with microservices architecture?
+    answer: microservice-challenges.md
+    topics:
+      - 'Intermediate'
+  - question: How do you ensure high availability and disaster recovery in a cloud environment?
+    answer: high-availability.md
+    topics:
+      - 'Intermediate'
+  - question: What is Prometheus, and how is it used in monitoring?
+    answer: what-is-prometheus.md
+    topics:
+      - 'Intermediate'
+  - question: Describe how you would implement logging for a distributed system
+    answer: implement-logging.md
+    topics:
+      - 'Intermediate'
+  - question: How do you manage network configurations in a cloud environment?
+    answer: network-configuration.md
+    topics:
+      - 'Intermediate'
+  - question: What is the purpose of a reverse proxy, and give an example of one
+    answer: reverse-proxy.md
+    topics:
+      - 'Intermediate'
+  - question: Explain the concept of serverless computing
+    answer: serverless-computing.md
+    topics:
+      - 'Intermediate'
+  - question: How would you migrate an existing application to a containerized environment?
+    answer: migrate-environment.md
+    topics:
+      - 'Advanced'
+  - question: Describe your approach to implementing security in a DevOps pipeline (DevSecOps)
+    answer: devsecops.md
+    topics:
+      - 'Advanced'
+  - question: What are the advantages and disadvantages of using Kubernetes Operators?
+    answer: kubernetes-operators.md
+    topics:
+      - 'Advanced'
+  - question: How would you optimize a CI/CD pipeline for performance and reliability?
+    answer: optimize-cicd.md
+    topics:
+      - 'Advanced'
+  - question: Explain the process of setting up a multi-cloud infrastructure using Terraform.
+    answer: multi-cloud.md
+    topics:
+      - 'Advanced'
+  - question: How would you implement one in a Kubernetes cluster?
+    answer: multi-cloud-kubernetes.md
+    topics:
+      - 'Advanced'
+  - question: How do you handle stateful applications in a Kubernetes environment?
+    answer: stateful-applications.md
+    topics:
+      - 'Advanced'
+  - question: What are the key metrics you would monitor to ensure the health of a DevOps pipeline?
+    answer: health-monitor.md
+    topics:
+      - 'Advanced'
+  - question: How would you implement zero-downtime deployments in a high-traffic application?
+    answer: zero-downtime.md
+    topics:
+      - 'Advanced'
+  - question: Describe your approach to handling data migrations in a continuous deployment pipeline.
+    answer: data-migration.md
+    topics:
+      - 'Advanced'
+---
+
+![Popular DevOps interview questions and answers.](https://assets.roadmap.sh/guest/devops-interview-questions-x6n2w.jpg)
+
+The evolution of technology and practices, coupled with the increase in complexity of the systems we develop, make the role of DevOps more relevant by the day.
+
+But becoming a successful DevOps is not a trivial task, especially because this role is usually the evolution of a developer looking to get more involved in other related ops areas or someone from ops who’s starting to get more directly involved in the development space. 
+
+Either way, DevOps engineers live between the development and operations teams, understanding enough about each area to be able to work towards improving their interactions.
+
+Because of this strange situation, while detailed roadmaps (be sure to check out our DevOps roadmap!) help a lot, getting ready for a DevOps interview requires a lot of work.
+
+Here are the most relevant DevOps interview questions you’ll likely get asked during a DevOps interview, plus a few more that will push your skills to the next level.
+
+## Preparing for your DevOps interview
+
+Before diving into your DevOps technical interview, keep these key points in mind:
+
+1.  **Understand the core concepts**: Familiarize yourself with the essentials of DevOps practices, including continuous integration/continuous deployment (CI/CD), infrastructure as code (IaC), the software development lifecycle, and containerization. Understand how these concepts contribute to the overall development lifecycle.
+2. **Practice hands-on skills**: There is a lot of practical knowledge involved in the DevOps practice, so make sure you try what you read about. Set up some CI/CD pipelines for your pet projects, understand containerization, and pick a tool to get started. The more you practice, the more prepared you’ll be for real-world problems.
+3. **Study software architecture**: While you may not have the responsibilities of an architect, having a solid understanding of software architecture principles can be a huge help. Being able to discuss the different components of a system with architects would make you a huge asset to any team.
+4. **Research the Company**: In general, it’s always a great idea to research the company you’re interviewing for. In this case, investigate the company’s DevOps practices, the technologies they use, and their overall approach to software development. This will help you demonstrate a genuine interest in their operations and come prepared with thoughtful questions.
+
+With that out of the way, let’s move on to the specific DevOps interview questions to prepare for.
diff --git a/src/data/roadmaps/devops/faqs.astro b/src/data/roadmaps/devops/faqs.astro
index bee4695e1..78f49f2c6 100644
--- a/src/data/roadmaps/devops/faqs.astro
+++ b/src/data/roadmaps/devops/faqs.astro
@@ -29,5 +29,11 @@ export const faqs: FAQType[] = [
       'The difference between [DevOps Engineer vs SRE](https://roadmap.sh/devops/devops-vs-sre) lies in focus: DevOps Engineers improve software delivery and infrastructure automation, bridging development and operations, while Site Reliability Engineers (SREs) ensure system reliability and performance, applying software engineering to operations. DevOps emphasizes CI/CD and collaboration, whereas SREs prioritize monitoring, incident response, and scalability.',
     ],
   },
+  {
+    question: 'How do I prepare for a DevOps interview?',
+    answer: [
+      'A great way to prepare for a DevOps interview is by building [DevOps projects](https://roadmap.sh/devops/projects) to validate your skills as well as reviewing common [devops interview questions](https://roadmap.sh/questions/devops) to ensure you capture any gaps in your understanding.'
+    ],
+  }
 ];
 ---