GKE nginx ingress example

deployments.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-server
spec:
  replicas: 2
  selector:
    matchLabels:
      app: hello-server-app
  template:
    metadata:
      labels:
        app: hello-server-app
    spec:
      containers:
      - name: hello-server
        image: gcr.io/google-samples/hello-app:1.0
        ports:
        - containerPort: 8080
        env:
          - name: PORT
            value: "8080"
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-plain-text
spec:
  replicas: 2
  selector:
    matchLabels:
      app: hello-plain-text
  template:
    metadata:
      labels:
        app: hello-plain-text
    spec:
      containers:
      - name: hello-plain-text
        image: nginxdemos/hello:plain-text
        ports:
        - containerPort: 80

gke-nginx-ingress.md

Basic nginx ingress + LB (auto-provisioned & managed by GKE) routing example

Place yaml files in a dir and run kubectl apply -f .

ingress.yaml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: p8-ingress-nginx
  annotations:
    # use the shared ingress-nginx
    kubernetes.io/ingress.class: "nginx"
    nginx.ingress.kubernetes.io/use-regex: "true"
spec:
  rules:
  - http:
      paths:
      - path: /
        backend:
          serviceName: hello-server
          servicePort: 8081
      - path: /plain/[A-Z0-9]{3}/abc
        backend:
          serviceName: hello-plain-text
          servicePort: 80

services.yaml

apiVersion: v1
kind: Service
metadata:
  name: hello-server
spec:
  selector:
    app: hello-server-app
  ports:
    - port: 8081
      targetPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: hello-plain-text
spec:
  selector:
    app: hello-plain-text
  ports:
  - port: 80
    targetPort: 80