Opcito Technologies Senior Devops Engineer Interview Questions, Process, and Tips

Designing a CI/CD pipeline involves defining stages, tools, triggers, and integrations for automated software delivery.

• Define stages for build, test, deploy, and release

• Select appropriate tools for each stage (e.g. Jenkins, GitLab CI, Travis CI)

• Set up triggers for automatic pipeline execution (e.g. code commit, pull request)

• Integrate with version control, testing frameworks, and deployment platforms

• Implement security m...read more

I deploy to k8s cluster using CI/CD pipelines and kubectl commands.

• Use CI/CD pipelines to automate the deployment process

• Leverage kubectl commands to interact with the Kubernetes cluster

• Ensure proper configuration and version control for smooth deployments

Secrets in k8s are used to store sensitive information like passwords, API keys, and tokens securely.

• Create secrets using kubectl create secret command

• Mount secrets as volumes in pods

• Access secrets in pods using environment variables or files

• Rotate secrets regularly for security purposes

Pod affinity is a Kubernetes feature that allows you to influence the scheduling of pods based on the presence of other pods.

• Pod affinity can be used to ensure that pods are scheduled on the same node or in close proximity to other pods.

• Pod affinity can be defined at the pod level or at the node level.

• Examples of pod affinity include spreading pods across different availability zones or ensuring that pods with specific

Anti affinity is a concept in cloud computing where related resources are intentionally placed on separate physical hardware to increase fault tolerance.

• Anti affinity ensures that related resources, such as virtual machines or containers, are not placed on the same physical hardware to reduce the impact of hardware failures.

• It is commonly used in distributed systems to improve availability and resilience.

• For example, i...read more