Minimal Kubernetes Deployment

infra.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: {{APPNAME}}
  namespace: {{NAMESPACE}}
spec:
  replicas: 3
  template:
    metadata:
      labels:
        name: {{APPNAME}}
    spec:
      containers:
      - name: {{APPNAME}}
        image: {{IMAGE}}
        imagePullPolicy: Always
        livenessProbe:
          failureThreshold: 3
          httpGet:
            path: /healthcheck
            port: 80
            scheme: HTTP
          initialDelaySeconds: 180
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 5
        resources:
          requests:
            memory: 1048Mi
            cpu: 1000m
          limits:
            memory: 2096Mi
            cpu: 2000m
        env:
        - name: CLUSTER
          value: {{CLUSTER}}
        - name: STAGE
          value: {{STAGE}}
---

apiVersion: v1
kind: Service
metadata:
  name: {{APPNAME}}
  namespace: {{NAMESPACE}}
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-external: 0.0.0.0/0
    service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http
    service.beta.kubernetes.io/aws-load-balancer-ssl-cert: {{CERTIFICATE_ARN}}
    dns.alpha.kubernetes.io/internal: "{{APPNAME}}.{{NAMESPACE}}.{{CLUSTER}}"    
spec:
  type: LoadBalancer
  ports:
    - name: https
      port: 443
      targetPort: 8080
  selector:
    name: {{APPNAME}}