deployment-patterns

Blue-green deployment is the best pattern for instant rollback, switching traffic between two identical environments. This approach minimizes downtime by routing all users to the standby environment if production issues occur during release.

Set up a rolling deployment in your CI/CD pipeline to gradually replace old application versions with new ones. Both versions run simultaneously during rollout, requiring configured health checks to ensure new instances are ready before terminating old ones.

Use canary deployments when you need to validate changes with a small user subset before full rollout. Unlike rolling updates that gradually replace all instances, canary releases route a fraction of traffic to the new version to test stability.

Yes, this deployment guidance supports both Docker and Kubernetes-based environments across cloud and on-prem setups. It provides containerization best practices, image hygiene, and orchestration strategies for reliable web application releases.

Health checks improve production readiness by using readiness probes and monitoring to verify new application instances are stable. This automated verification minimizes downtime and ensures rollback capabilities are triggered if deployment health criteria fail.