6_app-deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: spring-boot-mysql
  #namespace: weshopify-db-ns
spec:
  selector:
    matchLabels:
      app: spring-boot-mysql
  replicas: 1
  template:
    metadata:
      labels:
        app: spring-boot-mysql
    spec:
      containers:
        - name: spring-boot-mysql
          image: ashokit/spring-boot-mysql
          ports:
            - containerPort: 8080
          env:   # Setting Enviornmental Variables
            - name: DB_DRIVER_CLASS   # Setting Database host address from configMap
              valueFrom :
                configMapKeyRef :
                  name : weshopify-db-config-map
                  key :  DB_DRIVER_NAME_VALUE

            - name: DB_HOST   # Setting Database host address from configMap
              valueFrom :
                configMapKeyRef :
                  name : weshopify-db-config-map
                  key :  DB_HOST_SERVICE_NAME_VALUE

            - name: DB_NAME  # Setting Database name from configMap
              valueFrom :
                configMapKeyRef :
                  name : weshopify-db-config-map
                  key :  DB_SCHEMA_VALUE

            - name: DB_USERNAME  # Setting Database username from Secret
              valueFrom :
                secretKeyRef :
                  name : weshopify-db-config-secrete
                  key :  DB_USER_NAME_VALUE

            - name: DB_PASSWORD # Setting Database password from Secret
              valueFrom :
                secretKeyRef :
                  name : weshopify-db-config-secrete
                  key :  DB_PASSWORD_VALUE

---

apiVersion: v1 # Kubernetes API version
kind: Service # Kubernetes resource kind we are creating
metadata: # Metadata of the resource kind we are creating
  name: springboot-mysql-svc
spec:
  selector:
    app: spring-boot-mysql
  ports:
    - protocol: "TCP"
      port: 8080 # The port that the service is running on in the cluster
      targetPort: 8080 # The port exposed by the service
      nodePort: 32151
  type: NodePort # type of the service.