apiVersion: v1
kind: Secret
metadata:
  name: postgres-secret
  namespace: xpeditis
type: Opaque
data:
  # Base64 encoded values
  POSTGRES_DB: eHBlZGl0aXNfcHJvZA== # xpeditis_prod
  POSTGRES_USER: eHBlZGl0aXNfdXNlcg== # xpeditis_user
  POSTGRES_PASSWORD: eHBlZGl0aXNfcGFzc3dvcmQ= # xpeditis_password

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: postgres-pvc
  namespace: xpeditis
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
  storageClassName: standard

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: xpeditis
  labels:
    app: postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
      - name: postgres
        image: postgres:15-alpine
        ports:
        - containerPort: 5432
        env:
        - name: POSTGRES_DB
          valueFrom:
            secretKeyRef:
              name: postgres-secret
              key: POSTGRES_DB
        - name: POSTGRES_USER
          valueFrom:
            secretKeyRef:
              name: postgres-secret
              key: POSTGRES_USER
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: postgres-secret
              key: POSTGRES_PASSWORD
        volumeMounts:
        - name: postgres-storage
          mountPath: /var/lib/postgresql/data
        resources:
          requests:
            memory: "256Mi"
            cpu: "250m"
          limits:
            memory: "512Mi"
            cpu: "500m"
        livenessProbe:
          exec:
            command:
            - pg_isready
            - -U
            - xpeditis_user
            - -d
            - xpeditis_prod
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          exec:
            command:
            - pg_isready
            - -U
            - xpeditis_user
            - -d
            - xpeditis_prod
          initialDelaySeconds: 5
          periodSeconds: 5
      volumes:
      - name: postgres-storage
        persistentVolumeClaim:
          claimName: postgres-pvc

---
apiVersion: v1
kind: Service
metadata:
  name: postgres-service
  namespace: xpeditis
  labels:
    app: postgres
spec:
  selector:
    app: postgres
  ports:
  - port: 5432
    targetPort: 5432
  type: ClusterIP