Learn CI/CD – Interview Questions, Concepts & Examples

What is Continuous Integration (CI) and why is it important?

What is Continuous Delivery (CD) and how does it differ from Continuous Deployment?

What are the key differences between CI and CD?

What is a CI/CD pipeline and what are its typical stages?

What are the main benefits of implementing CI/CD?

What are basic Git branching strategies used with CI/CD?

What is GitHub Actions and what are its core components?

How do you structure a GitHub Actions workflow? Explain jobs, steps, and actions.

What are GitHub Actions runners? Explain GitHub-hosted vs self-hosted runners.

What are the YAML basics needed for writing GitHub Actions workflows?

How do you automate the build process in a CI/CD pipeline?

How do you automate testing in a CI/CD pipeline?

What is deployment automation and how do you set up a basic deployment pipeline?

How do you use environment variables in GitHub Actions?

How do you manage secrets in GitHub Actions?

What are trigger events in GitHub Actions? Explain push, pull_request, and workflow_dispatch.

What is Docker and how is it used in CI/CD pipelines?

What is a basic frontend deployment flow (React/Vue) using CI/CD?

What is a basic backend deployment flow (Node.js) using CI/CD?