kind: ConfigMap
apiVersion: v1
metadata:
  name: shared-postgres
data:
  DB_HOST: "postgres-postgresql"
  DB_PORT: "5432"
  DB_USER: "postgres"
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
spec:
  selector:
    matchLabels:
      app: postgres
  replicas: 1
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:12.0
          imagePullPolicy: "IfNotPresent"
          resources:
            requests:
              memory: 200Mi
            limits:
              memory: 300Mi
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_DB
              value: postgres
            - name: POSTGRES_USER
              value: postgres
            - name: POSTGRES_PASSWORD
              value: postgres
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
      volumes:
        - name: data
          hostPath:
            path: /data/postgres
---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  labels:
    app: postgres
spec:
  ports:
    - port: 5432
      nodePort: 5432
  selector:
    app: postgres
  type: NodePort