Init Containers

https://kubernetes.io/docs/concepts/workloads/pods/init-containers/

init-container

why init containers

  • 初始化

  • 处理依赖，控制启动

apiVersion: v1
kind: Pod
metadata:
  name: pod-with-init-containers
spec:
  initContainers:
  - name: init-service
    image: busybox
    command: ["sh", "-c", "echo waiting for sercice; sleep 4"]
  - name: init-database
    image: busybox
    command: ["sh", "-c", "echo waiting for database; sleep 4"]
  containers:
  - name: app-container
    image: nginx