Deployment

Deployment

1. strategy

• helm install --> will create deploymnet object with whatever stragey mentioned in deploymnet object.

  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
  

• maxSurge: 25% → up to 25 extra pods (new version) can be created → total pods may reach 125 during update.
• maxUnavailable: 25% → up to 25 old pods can be taken down at a time → at least 75 pods remain available during update.
• customize:

  helm install myapp ./chart \
    --set strategy.rollingUpdate.maxSurge=30 \
    --set strategy.rollingUpdate.maxUnavailable=10
  

  -