apiVersion: v1
kind: Service
metadata:
  name: postgres
spec:
  type: LoadBalancer
  selector:
    app: postgres
  ports:
    - protocol: TCP
      port: 5432
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
spec:
  selector:
    matchLabels:
      app: postgres
  serviceName: "postgres"
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: docker.io/postgres:13
          ports:
            - containerPort: 5432
              name: db
          env:
            - name: POSTGRES_DB
              value: picc
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: postgres-password
                  key: password
          volumeMounts:
            - name: postgres-data
              mountPath: /var/lib/postgresql/data
  volumeClaimTemplates:
    - metadata:
        name: postgres-data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 100Mi