apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: n8n-postgres
  namespace: n8n
spec:
  serviceName: n8n-postgres
  replicas: 1
  selector:
    matchLabels:
      app: n8n-postgres
  template:
    metadata:
      labels:
        app: n8n-postgres
    spec:
      containers:
        - name: postgres
          image: postgres:17-alpine
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_DB
              value: n8n
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: n8n-secrets
                  key: postgres-user
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: n8n-secrets
                  key: postgres-password
          volumeMounts:
            - name: postgres-data
              mountPath: /var/lib/postgresql/data
  volumeClaimTemplates:
    - metadata:
        name: postgres-data
      spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: local-path
        resources:
          requests:
            storage: 5Gi