基于centos7.9
,docker-ce-20.10.18
,kubelet-1.22.3-0
controllers作用:
ReplicaSet:副本集
deployment用于网站、API、微服务等,功能特性:
示例
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx
labels:
app: nginx
spec:
replicas: 3
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.19
ports:
- containerPort: 80