08 - rolling-updates-rollbacks.md

Rolling Updates & Rollbacks

• Rolling Update is the default strategy in k8s.

  • IF you describe a deployment you'll see:
    • StrategyType: RollingUpdate

• Rollout Command:

  kubectl set image deployment/myapp nginx=nginx:1.10
  
  kubectl rollout status deployment/myapp
  
  kubectl rollout history deployment/myapp  
  

• Rollback: kubectl rollout undo deployment/myapp