apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: doraemon
  name: doraemon-deployment
  namespace: ${k8s_namespace}   #一定要写名称空间
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  selector:
    matchLabels:
      app: doraemon
  strategy:       # 更新策略
    rollingUpdate:
      maxSurge: 50%
      maxUnavailable: 50%
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: doraemon
    spec:
      volumes:            # 挂载卷
        - name: host-time # 挂载主机上的时区
          hostPath:
            path: /etc/localtime
            type: ''
      #        - name: volume-tmall      # 挂载日志
      #          persistentVolumeClaim:
      #            claimName: tmall-pvc0
      imagePullSecrets:
        - name: ${docker_hub_id}  #提前在项目下配置访问阿里云或harbor的账号密码
      containers:
        - image: $remote_tag
          imagePullPolicy: Always
          name: doraemon
          ports:
            - name: http-8080
              containerPort: 8080
              protocol: TCP
          resources:      # 资源限制
            limits:
              cpu: 250m
              memory: 512Mi
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
          volumeMounts:
            - name: host-time
              readOnly: true
              mountPath: /etc/localtime
      #            - name: volume-tmall
      #              mountPath: /logs

      dnsPolicy: ClusterFirst
      restartPolicy: Always
      terminationGracePeriodSeconds: 30
      affinity:   # 节点亲合性，这下面表达的意思是，尽量散到不同的机器上
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app: doraemon
                topologyKey: kubernetes.io/hostname
  revisionHistoryLimit: 2    #deploy 升级最大记录数由 revisionHistoryLimit 定义,默认值为 10
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: doraemon
  name: doraemon-svc
  namespace: ${k8s_namespace}
spec:
  ports:
    - name: http
      port: 8080
      protocol: TCP
      targetPort: 8080
  selector:
    app: doraemon
  sessionAffinity: None
  type: NodePort