# StatefulSet pour PostgreSQL avec persistance de données
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: ecodata-postgres
  namespace: ecodata
  labels:
    app: ecodata
    component: database
spec:
  serviceName: ecodata-postgres
  replicas: 1
  selector:
    matchLabels:
      app: ecodata
      component: database
  template:
    metadata:
      labels:
        app: ecodata
        component: database
    spec:
      containers:
      - name: postgres
        image: postgres:15
        ports:
        - containerPort: 5432
          name: postgres
        # Variables d'environnement pour initialiser PostgreSQL
        env:
        - name: POSTGRES_DB
          value: "ecodata_db"
        - name: POSTGRES_USER
          valueFrom:
            secretKeyRef:
              name: ecodata-secrets
              key: db-username
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: ecodata-secrets
              key: db-password
        # Volume pour persister les données
        volumeMounts:
        - name: postgres-storage
          mountPath: /var/lib/postgresql/data
        resources:
          requests:
            memory: "256Mi"
            cpu: "250m"
          limits:
            memory: "512Mi"
            cpu: "500m"
  # Template de volume pour le stockage persistant
  volumeClaimTemplates:
  - metadata:
      name: postgres-storage
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 5Gi
---
# Service ClusterIP pour accéder à PostgreSQL depuis le cluster
apiVersion: v1
kind: Service
metadata:
  name: ecodata-postgres
  namespace: ecodata
  labels:
    app: ecodata
    component: database
spec:
  type: ClusterIP
  ports:
  - port: 5432
    targetPort: 5432
    protocol: TCP
    name: postgres
  selector:
    app: ecodata
    component: database