DevOps Intermediate

What is CI/CD?

Continuous Integration and Continuous Deployment — automated practices for building, testing, and deploying code changes.

CI (Continuous Integration) automatically builds and tests code whenever developers push changes, catching bugs early. CD (Continuous Deployment/Delivery) automates releasing tested code to production or staging environments.

Popular CI/CD tools include GitHub Actions, GitLab CI, Jenkins, CircleCI, and Travis CI. A typical pipeline includes stages: build, test, security scan, deploy to staging, and deploy to production.

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Related Terms

Container Registry

A storage and distribution service for container images, similar to a package repository but for Docker images.

Blue-Green Deployment

A deployment strategy using two identical environments where traffic is switched from the old version to the new one instantly.

A branching model for Git that defines a strict workflow with feature, develop, release, hotfix, and main branches.

Service Discovery

A mechanism that automatically detects and tracks the network locations of service instances in distributed systems.

Pipeline as Code

Defining CI/CD pipeline configurations as version-controlled code files rather than through UI-based pipeline builders.

A declarative GitOps continuous delivery tool for Kubernetes that automatically syncs cluster state with Git repositories.

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