Deploying the First Release

cat ns/go-demo-2.yml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: go-demo-2
  annotations:
    kubernetes.io/ingress.class: "nginx"
    ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  rules:
  - host: go-demo-2.com
    http:
      paths:
      - path: /demo
        backend:
          serviceName: go-demo-2-api
          servicePort: 8080
---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: go-demo-2-db
spec:
  selector:
    matchLabels:
      type: db
      service: go-demo-2
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        type: db
        service: go-demo-2
        vendor: MongoLabs
    spec:
      containers:
      - name: db
        image: mongo:3.3
---
apiVersion: v1
kind: Service
metadata:
  name: go-demo-2-db
spec:
  ports:
  - port: 27017
  selector:
    type: db
    service: go-demo-2
---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: go-demo-2-api
spec:
  replicas: 3
  selector:
    matchLabels:
      type: api
      service: go-demo-2
  template:
    metadata:
      labels:
        type: api
        service: go-demo-2
        language: go
    spec:
      containers:
      - name: api
        image: vfarcic/go-demo-2
        env:
        - name: DB
          value: go-demo-2-db
        readinessProbe:
          httpGet:
            path: /demo/hello
            port: 8080
          periodSeconds: 1
        livenessProbe:
          httpGet:
            path: /demo/hello
            port: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: go-demo-2-api
spec:
  ports:
  - port: 8080
  selector:
    type: api
    service: go-demo-2