What is Kubernetes?
Kubernetes (K8s) is an open-source container orchestration platform that automates deployment, scaling, and management of containerized applications.
Why use Kubernetes in CI/CD?
* Automates deployments in production-grade environments
* Ensures high availability & scalability
* Supports rolling updates & rollbacks
* Integrates seamlessly with CI/CD tools
How Kubernetes Fits into CI/CD Pipelines :
1. CI (Continuous Integration) in Kubernetes :
- Developers commit code to GitHub/GitLab.
- CI tools (Jenkins, GitHub Actions, GitLab CI) build & test the application.
- CI pipelines create a Docker image and push it to a registry (DockerHub, ECR, GCR).
2. CD (Continuous Deployment/Delivery) in Kubernetes :
- CD pipelines deploy new versions automatically to Kubernetes clusters.
- Uses Helm, ArgoCD, FluxCD, Kustomize for automated deployments.
- Kubernetes ensures zero downtime with rolling updates.
- Monitors app health and automatically rolls back if failures occur.
