Dockerfile

FROM postgres

EXPOSE 5432

deploy.yaml

#命名空间
apiVersion: v1
kind: Namespace
metadata:
  name: fandai
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgresql
  namespace: fandai
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgresql
  template:
    metadata:
      labels:
        app: postgresql
    spec:
      containers:
        - name: postgresql
          image: postgres
          env:
            - name: POSTGRES_PASSWORD
              value: "123456"
          volumeMounts:
            - name: postgresql
              mountPath: /var/lib/postgresql/data
      volumes:
        - name: postgresql
          nfs:
            server: fandai-nfs  #nfs服务器地址
            path: /home/nfs/postgresql/data #共享文件路径
---
apiVersion: v1  # 资源版本
kind: Service  # 资源类型
metadata: # 元数据
  name: postgresql # 资源名称
  namespace: fandai # 命名空间
spec: # 描述
  selector: # 标签选择器，用于确定当前service代理哪些pod
    app: postgresql
  type: NodePort # service类型
  ports: # 端口信息
    - protocol: TCP
      name: postgresql
      port: 5432  # service端口
      targetPort: 5432 # pod端口
      nodePort: 32537  # 显式指定外网访问端口

kubectl apply -f deploy.yaml

使用navicat连接数据库