---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: icebay-postgres-pv
  labels:
    app: icebay
    component: database
spec:
  capacity:
    storage: 2Gi
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
  storageClassName: manual
  hostPath:
    path: /mnt/data/icebay-postgres
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: icebay-postgres-pvc
  namespace: icebay
  labels:
    app: icebay
    component: database
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: manual
  resources:
    requests:
      storage: 2Gi
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
  namespace: icebay
  labels:
    app: icebay
    component: database
spec:
  serviceName: "postgres-service"
  replicas: 1
  selector:
    matchLabels:
      app: icebay
      component: database
  template:
    metadata:
      labels:
        app: icebay
        component: database
    spec:
      containers:
        - name: postgres
          image: postgres:15-alpine
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_DB
              value: "icebaydb"
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: icebay-secret
                  key: POSTGRES_USER
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: icebay-secret
                  key: POSTGRES_PASSWORD
            - name: PGDATA
              value: /var/lib/postgresql/data/pgdata
          volumeMounts:
            - name: postgres-storage
              mountPath: /var/lib/postgresql/data
            - name: init-script
              mountPath: /docker-entrypoint-initdb.d
          readinessProbe:
            exec:
              command: ["pg_isready","-U","icebayuser","-d","icebaydb"]
            initialDelaySeconds: 10
            periodSeconds: 5
          resources:
            requests:
              memory: "256Mi"
              cpu: "100m"
            limits:
              memory: "512Mi"
              cpu: "500m"
      volumes:
        - name: postgres-storage
          persistentVolumeClaim:
            claimName: icebay-postgres-pvc
        - name: init-script
          configMap:
            name: icebay-init