04-nginx-proxy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        imagePullPolicy: IfNotPresent        
        ports:
        - containerPort: 80
        volumeMounts:
          - name: config
            mountPath: /etc/nginx/conf.d
      volumes:
        - name: config
          configMap:
            name: nginx-config
            items:
              - key: proxy.conf
                path: proxy.conf

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
data:
  proxy.conf: |-
    server {
      listen 80;

      location /v1 {
        proxy_pass http://hello-v1-svc;
        # https://github.com/envoyproxy/envoy/issues/170
        proxy_http_version 1.1;
      }
      location /v2 {
        proxy_pass http://hello-v2-svc;
        # https://github.com/envoyproxy/envoy/issues/170
        proxy_http_version 1.1;
      }
    }

---
kind: Service
apiVersion: v1
metadata:
  name: nginx-svc
spec:
  selector:
    app: nginx
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80