dockerfiles/postgres/postgres-deployment.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: postgres
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: docker.io/clearlinux/postgres
          imagePullPolicy: "IfNotPresent"
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_DB
              valueFrom:
                secretKeyRef:
                  name: postgres-config
                  key: POSTGRES_DB
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: postgres-config
                  key: POSTGRES_PASSWORD
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: postgres-config
                  key: POSTGRES_USER

---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  labels:
    app: postgres
spec:
  type: NodePort
  ports:
   - port: 5432
     targetPort: 5432
     nodePort: 30001
  selector:
   app: postgres