# Standard-Datenbank (DATABASE_PROVIDER=postgresql in 01-configmap.yaml).
# Nur anwenden, wenn du Postgres nutzt — fuer MySQL stattdessen 03-mysql.yaml
# anwenden (nicht beide gleichzeitig).
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: wabenhain-postgres
  namespace: wabenhain
spec:
  serviceName: wabenhain-postgres
  replicas: 1
  selector:
    matchLabels:
      app: wabenhain-postgres
  template:
    metadata:
      labels:
        app: wabenhain-postgres
    spec:
      containers:
        - name: postgres
          image: postgres:16.15-alpine
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_USER
              value: wabenhain
            - name: POSTGRES_DB
              value: wabenhain
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: wabenhain-secrets
                  key: DB_PASSWORD
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
          readinessProbe:
            exec:
              command: ["pg_isready", "-U", "wabenhain"]
            initialDelaySeconds: 5
            periodSeconds: 5
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              memory: 512Mi
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            # Bei Bedarf anpassen — abhaengig vom StorageClass deines Clusters.
            storage: 5Gi
---
apiVersion: v1
kind: Service
metadata:
  name: wabenhain-postgres
  namespace: wabenhain
spec:
  # Headless (kein eigener ClusterIP) — Standard fuer StatefulSets, DNS-Name
  # "wabenhain-postgres.wabenhain.svc.cluster.local" bleibt stabil.
  clusterIP: None
  selector:
    app: wabenhain-postgres
  ports:
    - port: 5432
      targetPort: 5432