# Deployment description
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres--deployment
  namespace: dev-environment
  labels:
    app: postgres-dev
spec:
  strategy:
    type: Recreate
  replicas: 1
  selector:
    matchLabels:
      app: postgres-dev
  template:
    metadata:
      labels:
        app: postgres-dev
    spec:
      containers:
        - name: postgres
          image: postgres:11.12
          resources:
            requests:
              memory: "256Mi"
              cpu: "100m"
            limits:
              memory: "512Mi"
              cpu: "4"
          ports:
            - containerPort: 5432
          envFrom:
            - configMapRef:
                name: postgres-config
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: postgredb-pv-dev
              subPath: postgres
      volumes:
        - name: postgredb-pv-dev
          persistentVolumeClaim:
            claimName: postgres-pvc-dev
---
# Persistent Volume Claim description
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: postgres-pvc-dev
  namespace: dev-environment
  labels:
    app: postgres-dev
spec:
  storageClassName: longhorn
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 2050Mi
---
# ConfigMap description
apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-config
  namespace: dev-environment
  labels:
    app: postgres-dev
data:
  POSTGRES_DB: postgresdb
  POSTGRES_USER: postgresadmin
  POSTGRES_PASSWORD: Semapp123456!
---
# PostgreSQL StatefulSet Service
apiVersion: v1
kind: Service
metadata:
  name: postgres-lb
  namespace: dev-environment
spec:
  selector:
    app: postgres-dev
  type: LoadBalancer
  ports:
    - port: 5432
      targetPort: 5432

---