sample-nginx-ingress.yaml

# k8s ingress


# Deployments
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: webapp1
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: webapp1
    spec:
      containers:
      - name: webapp1
        image: katacoda/docker-http-server:latest
        ports:
        - containerPort: 80
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: webapp2
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: webapp2
    spec:
      containers:
      - name: webapp2
        image: katacoda/docker-http-server:latest
        ports:
        - containerPort: 80
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: webapp3
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: webapp3
    spec:
      containers:
      - name: webapp3
        image: katacoda/docker-http-server:latest
        ports:
        - containerPort: 80
---
# Services
apiVersion: v1
kind: Service
metadata:
  name: webapp1-svc
  labels:
    app: webapp1
spec:
  ports:
  - port: 80
  selector:
    app: webapp1
---
apiVersion: v1
kind: Service
metadata:
  name: webapp2-svc
  labels:
    app: webapp2
spec:
  ports:
  - port: 80
  selector:
    app: webapp2
---
apiVersion: v1
kind: Service
metadata:
  name: webapp3-svc
  labels:
    app: webapp3
spec:
  ports:
  - port: 80
  selector:
    app: webapp3
---


# Ingress
apiVersion: v1
kind: Namespace
metadata:
  name: nginx-ingress
---
apiVersion: v1
kind: Secret
metadata:
  name: default-server-secret
  namespace: nginx-ingress
type: Opaque
data:
  tls.crt: $(CRT)
  tls.key: $(KEY)
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: nginx-ingress
  namespace: nginx-ingress
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: nginx-config
  namespace: nginx-ingress
data:
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nginx-ingress
  namespace: nginx-ingress
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-ingress
  template:
    metadata:
      labels:
        app: nginx-ingress
    spec:
      serviceAccountName: nginx-ingress
      containers:
      - image: nginx/nginx-ingress:edge
        imagePullPolicy: Always
        name: nginx-ingress
        ports:
        - name: http
          containerPort: 80
        - name: https
          containerPort: 443
        env:
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        args:
          - -nginx-configmaps=$(POD_NAMESPACE)/nginx-config
          - -default-server-tls-secret=$(POD_NAMESPACE)/default-server-secret
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-ingress
  namespace: nginx-ingress
spec:
  type: NodePort
  ports:
  - port: 80
    targetPort: 80
    protocol: TCP
    name: http
  - port: 443
    targetPort: 443
    protocol: TCP
    name: https
  selector:
    app: nginx-ingress
  externalIPs:
    - 172.17.0.24


# Ingress Resource
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: webapp-ingress
spec:
  rules:
  - host: my.kubernetes.example
    http:
      paths:
      - path: /webapp1
        backend:
          serviceName: webapp1-svc
          servicePort: 80
      - path: /webapp2
        backend:
          serviceName: webapp2-svc
          servicePort: 80
      - backend:
          serviceName: webapp3-svc
          servicePort: 80