kubectl 运行脚本 kubernetes 部署springcloud微服务 yaml + Dockerfile+shell 脚本

Dockerfile文件编写

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#基础镜像，如果本地仓库没有，会从远程仓库拉取 openjdk:8
FROM openjdk:8
#暴露端口
EXPOSE 9301
#容器中创建目录
RUN mkdir -p /usr/local/java
#编译后的jar包copy到容器中创建到目录内 ../../realize-gateway
COPY realize-auth.jar /usr/local/java/realize-auth.jar
#指定容器时区
RUN rm -f /etc/localtime \
&& ln -sv /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
&& echo "Asia/Shanghai" > /etc/timezone
#指定容器启动时要执行的命令
ENTRYPOINT ["java","-jar","-Dspring.profiles.active=server","/usr/local/java/realize-auth.jar"]

kubectl 定义资源文件

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apiVersion: v1
kind: Service
metadata:
  name: $IMG_NAME
  namespace: rz
  labels:
    app: $IMG_NAME
spec:
  type: ClusterIP
  ports:
  - name: tcp-9301-9301
    port: 9301
    protocol: TCP
    targetPort: 9301
  selector:
    app: $IMG_NAME
---
apiVersion: apps/v1
kind: Deployment #对象类型
metadata:
  name: $IMG_NAME #名称
  namespace: rz
  labels:
    app: $IMG_NAME #标注
spec:
  replicas: 1 #运行容器的副本数，修改这里可以快速修改分布式节点数量
  selector:
    matchLabels:
      app: $IMG_NAME
  template:
    metadata:
      labels:
        app: $IMG_NAME
    spec:
      containers: #docker容器的配置
        - name: $IMG_NAME
#          env:
#            - name: aliyun_logs_catalina
#              value: stdout
          image: rz-image-server-registry-vpc.cn-shanghai.cr.aliyuncs.com/rz-real/$IMG_NAME:$IMG_TAG # pull镜像的地址 ip:prot/dir/images:tag
          imagePullPolicy: Always #pull镜像时机，
          ports:
            - containerPort: 9301 #容器对外开放端口,需与springboot配置文件一致
          volumeMounts:
            - name: time-config
              mountPath: /etc/localtime
              readOnly: true
            - name: volume-logs
              mountPath: /logs
              subPath: logs
          resources:
            limits:
              cpu: 500m
              memory: 1Gi
            requests:
              cpu: 10m
              memory: 50Mi
      #从私有仓库拉取镜像凭证
      imagePullSecrets:
        - name: miyue-vpc
      volumes:
        - name: time-config
          hostPath:
            path: /usr/share/zoneinfo/Asia/Shanghai
        - name: volume-logs
          persistentVolumeClaim:
            claimName: nas-volume-claim-real

一键shell脚本部署pod

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echo "开始制作镜像..."
image_name=realize-auth
image_tag=`date +%Y-%m-%d-%H-%M-%S` #_%H%M
echo "当前时间版本号：$image_tag"
docker build -t ${image_name}:${image_tag} .
echo "制作镜像成功!"

echo "登录"
sudo docker login --username=aliyun03 rz-dt-image-server-registry-vpc.cn-shanghai.cr.aliyuncs.com --password=1234

echo "镜像最新版本提交"
docker tag ${image_name}:${image_tag} rz-dt-image-server-registry-vpc.cn-shanghai.cr.aliyuncs.com/rz-dt-real/${image_name}:${image_tag}
docker push rz-dt-image-server-registry-vpc.cn-shanghai.cr.aliyuncs.com/rz-dt-real/${image_name}:${image_tag}

echo "k8s一键部署"
export IMG_TAG=${image_tag}
export IMG_NAME=${image_name}
envsubst < ${image_name}'-real'.yaml | kubectl --kubeconfig ~/.kube-rz-real/config apply -f -