Kubernetes - wait for other pod to be ready

Question

I have two applications - app1 and app2, where app1 is a config server that holds configs for app2

Answer 1

initContainers:
    - name: wait-for-dependent-service
      image: stefanevinance/wait-for-200
      env:
        - name: URL
          value: http://dependent-service.{{.Release.Namespace}}.svc.cluster.local:3000

Using https://hub.docker.com/r/stefanevinance/wait-for-200/