apiVersion: v1
kind: Service
metadata:
  name: db
  namespace: rain-hub
spec:
  clusterIP: None
  selector:
    app: db
  ports:
    - port: 5432
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: db
  namespace: rain-hub
spec:
  serviceName: db
  replicas: 1
  selector:
    matchLabels:
      app: db
  template:
    metadata:
      labels:
        app: db
    spec:
      containers:
        - name: postgres
          image: postgres:16-alpine
          ports:
            - containerPort: 5432
          envFrom:
            - secretRef:
                name: rain-hub-secrets
          volumeMounts:
            - name: pgdata
              mountPath: /var/lib/postgresql/data
            - name: initdb
              mountPath: /docker-entrypoint-initdb.d
              readOnly: true
          readinessProbe:
            exec:
              command: ["pg_isready", "-U", "rainhub", "-d", "rainhub"]
            initialDelaySeconds: 5
            periodSeconds: 5
      volumes:
        - name: initdb
          configMap:
            name: db-init
  volumeClaimTemplates:
    - metadata:
        name: pgdata
      spec:
        accessModes: ["ReadWriteOnce"]
        storageClassName: local-path
        resources:
          requests:
            storage: 5Gi