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

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