hanko/deploy/k8s/postgres/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: hanko
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:12-alpine
          ports:
            - containerPort: 5432
              name: postgres-hanko
          env:
            - name: POSTGRES_DB
              value: hanko
            - name: POSTGRES_USER
              value: hanko
            - name: POSTGRES_PASSWORD
              value: hanko
          volumeMounts:
            - mountPath: /docker-entrypoint-initdb.d
              name: initdb
            - mountPath: /var/lib/postgresql/data
              name: postgres-pv-claim
      volumes:
        - name: initdb
          configMap:
            name: initdb
        - name: postgres-pv-claim
          persistentVolumeClaim:
            claimName: postgres-pv-claim
  selector:
    matchLabels:
      app: postgres