Kubernetes LKE resources Node.js - Redis Load Balancer

k8s.yaml

apiVersion: v1
kind: Secret
metadata:
  name: regcred
data:
  .dockerconfigjson: DOCKER_CONFIG
type: kubernetes.io/dockerconfigjson
---
# This section will create a deployment in the Kubernetes cluster
apiVersion: apps/v1
kind: Deployment
metadata:
  name: linode-deploy
  labels:
    app: linode-app
spec:
  selector:
    matchLabels:
      app: linode-app
  replicas: 1
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  template:
    metadata:
      labels:
        app: linode-app
    spec:
      containers:
      - name: linode-app
        image: IMAGE_NAME
        imagePullPolicy: Always
        ports:
        - containerPort: 3300
        env:
        - name: JWT_TOKEN_SECRET
          value: JWT_TOKEN_SECRET_VAL
        - name: JWT_TOKEN_SECRET_API
          value: JWT_TOKEN_SECRET_API_VAL
        - name: MONGO_URL
          value: MONGO_URL_VAL
        - name: MONGO_URL_DEFI
          value: MONGO_URL_DEFI_VAL                         
      imagePullSecrets:
      - name: regcred      
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
spec:
  selector:
    matchLabels:
      app: redis
  replicas: 1
  template:
    metadata:
      labels:
        app: redis
    spec:
      volumes:
        - name: host-sys
          hostPath:
            path: /sys
      initContainers:
        - name: disable-thp
          image: redis:4.0-alpine
          volumeMounts:
            - name: host-sys
              mountPath: /host-sys
          command: ["sh", "-c", "echo never > /host-sys/kernel/mm/transparent_hugepage/enabled"]
      containers:
      - name: redis
        image: redis:4.0-alpine
        imagePullPolicy: IfNotPresent
        resources:
          requests:
            cpu: 350m
            memory: 1024Mi
        ports:
        - containerPort: 6379
---
# # This section will create a service in the Kubernetes cluster
# # so that the deployment can be accessed from the outside
# apiVersion: v1
# kind: Service
# metadata:
#   name: linode-service
#   labels:
#       app: linode-app
# spec:
#   type: LoadBalancer
#   selector:
#     app: linode-app
#   ports:
#     - protocol: TCP
#       name: http
#       port: 80
#       targetPort: 3300
---
# This section will create a service in the Kubernetes cluster
# Redis Service
apiVersion: v1
kind: Service
metadata:
  name: redis
  labels:
    app: redis
spec:
  ports:
  - port: 6379
    name: redis
  selector:
    app: redis      
---
# This section will create a service in the Kubernetes cluster
# Redis Service
apiVersion: v1
kind: Service
metadata:
  name: linode-app
spec:
  type: ClusterIP
  ports:
  - port: 80
    targetPort: 3300
  selector:
    app: linode-app