apiVersion: v1
kind: Namespace
metadata:
  name: nextcloud
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nextcloud-db
  namespace: nextcloud
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nextcloud-db
  template:
    metadata:
      labels:
        app: nextcloud-db
    spec:
#      nodeName: kube-master
      containers:
      - name: db
        image: docker.io/library/postgres:14
        imagePullPolicy: IfNotPresent
        env:
        - name: POSTGRES_DB
          valueFrom:
            secretKeyRef:
              name: nextcloud-credentials
              key: POSTGRES_DB
        - name: POSTGRES_USER
          valueFrom:
            secretKeyRef:
              name: nextcloud-credentials
              key: POSTGRES_USER
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: nextcloud-credentials
              key: POSTGRES_PASSWORD

        volumeMounts:
#        - name: pgdata
#          mountPath: /var/lib/postgresql/data
        - name: nextcloud-database-data
          mountPath: /var/lib/postgresql/data
        ports:
        - name: postgres
          containerPort: 5432
      volumes:
      - name: pgdata
        hostPath:
           path: /opt/kubernetes/Nextcloud_kube/data/pgdata

      - name: nextcloud-database-data
        persistentVolumeClaim:
          claimName: nextcloud-database
---
apiVersion: v1
kind: Service
metadata:
  name: db
  namespace: nextcloud
spec:
  selector:
    app: nextcloud-db
  ports:
  - protocol: TCP
    port: 5432
    targetPort: postgres


---
# if remote access required 
#apiVersion: v1
#kind: Service
#metadata:
#  name: db-nodeport
#  namespace: nextcloud
#spec:
#  type: NodePort
#  selector:
#    app: nextcloud-db
#  ports:
#  - protocol: TCP
#    port: 5432
#    targetPort: postgres
#    nodePort: 32366