docspell/kubernetes/postgres.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
spec:
  replicas: 1
  serviceName: postgres
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:15.2
          env:
            - name: POSTGRES_USER
              valueFrom:
                configMapKeyRef:
                  name: restserver-config
                  key: DOCSPELL_SERVER_BACKEND_JDBC_USER
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: restserver-secrets
                  key: DOCSPELL_SERVER_BACKEND_JDBC_PASSWORD
            - name: POSTGRES_DB
              value: dbname
          ports:
            - name: postgres
              containerPort: 5432
          volumeMounts:
            - name: postgres-data
              mountPath: /var/lib/postgresql/data
              subPath: pgdata
  volumeClaimTemplates:
    - metadata:
        name: postgres-data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: 1Gi
---
apiVersion: v1
kind: Service
metadata:
  name: postgres
spec:
  selector:
    app: postgres
  ports:
    - name: postgres
      port: 5432
      targetPort: postgres
  clusterIP: None