Kubernetes Replication Controller for API service

rc.yml

apiVersion: v1
kind: ReplicationController
metadata:
  name: api-{{RC_TAG}}
  labels:
    app: api
    tag: "{{RC_TAG}}"
spec:
  replicas: 3
  selector:
    app: api
    tag: "{{RC_TAG}}"
  template:
    metadata:
      labels:
        app: api
        tag: "{{RC_TAG}}"
    spec:
      containers:
        - name: api-app
          image: {{APP_IMAGE}}
          resources:
            requests:
              cpu: 500m
          ports:
            - name: application
              containerPort: 3000
        - name: api-nginx
          image: {{NGINX_IMAGE}}
          resources:
            requests:
              cpu: 100m
          ports:
            - name: http
              containerPort: 80