apiVersion: v1
kind: Pod # 定义Kubernetes资源的类型为Pod
metadata:
name: demo-web # 定义资源的名称
labels: # 为Pod贴上标签，后面会介绍其用处
app: demo-web
spec: # 定义资源的状态，对于Pod来说，最重要属性就是containers
containers: # containers一个数组类型，如果你希望部署多个容器，可以添加多项
- name: web # 定义本Pod中该容器的名称
image: rainingnight/aspnetcore-web # 定义Pod启动的容器镜像地址
ports:
- containerPort: 80 # 定义容器监听的端口（与Dockerfile中的EXPOSE类似，只是为了提供文档信息）
apiVersion: v1
kind: Service # 定义Kubernetes资源的类型为Service
metadata:
name: demo-web-service # 定义资源的名称
spec:
selector: # 指定对应的Pod
app: demo-web # 指定Pod的标签为demo-web
ports:
- protocol: TCP # 协议类型
port: 80 # 指定Service访问的端口
targetPort: 80 # 指定Service转发请求的端口
nodePort: 30000
type: NodePort # 指定Service的类型，在这里使用NodePort来对外访问
apiVersion: v1
kind: Pod
metadata:
name: demo-web-copy
labels:
app: demo-web
spec:
containers:
- name: web
image: rainingnight/aspnetcore-web
ports:
- containerPort: 80
apiVersion: apps/v1
kind: Deploym www.laipuhuo.com ent # 定义Kubernetes资源的类型为Deployment
metadata:
name: demo-web-deployment # 定义资源的名称
labels:
app: demo-web-deployment
spec: # 定义资源的状态。
replicas: 2 # 定义我们想运行多少个Pod，在这里我们希望运行2个
selector:
matchLabels: # 定义该部署匹配哪些Pod
app: demo-web
minReadyS www.laipuhuo.com econds: 5 # 可选，指定Pod可以变成可用状态的最小秒数，默认是0
strategy: # 指定更新版本时，部署使用的策略
type: RollingUpdate # 策略类型，使用RollingUpdate可以保证部署期间服务不间断
rollingUpdate:
maxUnavailable: 1 # 部署时最大允许停止的Pod数量（与replicas相比）
maxSurge: 1 # 部署时最大允许创建的Pod数量（与replicas相比）
template: # 用来指定Pod的模板，与Pod的定义类似
metadata:
labels: # 根据模板创建的Pod会被贴上该标签，与上面的matchLabels对应
app: demo-web
spec:
containers:
- name: web
image: rainin www.laipuhuo.com gnight/aspnetcore-web
imagePullPolicy: Always # 默认是IfNotPresent，如果设置成Always，则每一次部署都会重新拉取容器映像（否则，如果本地存在指定的镜像版本，就不会再去拉取）
ports:
- containerPort: 80
kubectl rollout status deployment demo-web-deployment
# 输出
# Waiting for deployment "demo-web-deployment" rollout to finish: 1 old replicas are pending termination...
# Waiting for deployment "demo-web-deployment" rollout to finish: 1 old replicas are pending termination...
# Waiting for deployment "demo-web-deployment" rollout to finish: 1 old replicas are pending termination...
# Waiting for deployment "demo-web-deployment" rollout to finish: 1 old replicas are pending termination...
# Waiting for deployment "demo-web-deployment" rollout to finish: 1 of 2 updated replicas are available...
# Waiting for deployment "www.laipuhuo.com demo-web-deployment" rollout to finish: 1 of 2 updated replicas are available...
# deployment "demo-web-deployment" successfully rolled out
