DevOps Classroom Series – 14/Feb/2020

Kubernetes Deployments

  • In K8s Deployments specification we need to describe
    • How many Replications of Pod
    • Pod Spec
    • Strategy
  • Deployments internally use Replica Sets.
  • In this scenario we are deploying 3 pods with your application Docker iamge and Service Preview
  • Now new version of your application with tag 1.5 is available
  • Then we make changes to spec and rollout deployment Preview
  • Now, for some reason your new version rolled out is defective, but k8s deployments support undo rollout or going back to previous deployment version
  • If you rollback to version the scenario looks like below Preview

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