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SQL

Kubernetes ingress tutorials with examples and Lab – NodePort ReplicationController

August 5, 2021 comments off
apiVersion: v1
kind: ReplicationController
metadata:
name: echoheaders
spec:
replicas: 1
template:
metadata:
labels:
app: echoheaders
spec:
containers:
- name: echoheaders
image: gcr.io/google_containers/echoserver:1.0
ports:
- containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: echoheaders-default
labels:
app: echoheaders
spec:
type: NodePort
ports:
- port: 80
nodePort: 30302
targetPort: 8080
protocol: TCP
name: http
selector:
app: echoheaders
view raw echoservice.yml hosted with ❤ by GitHub
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: helloworld-v1-deployment
spec:
replicas: 1
template:
metadata:
labels:
app: helloworld-v1
spec:
containers:
- name: k8s-demo
image: wardviaene/k8s-demo:latest
ports:
- name: nodejs-port
containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
name: helloworld-v1
spec:
type: NodePort
ports:
- port: 80
nodePort: 30303
targetPort: 3000
protocol: TCP
name: http
selector:
app: helloworld-v1
view raw helloworld-v1.yml hosted with ❤ by GitHub
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: helloworld-v2-deployment
spec:
replicas: 1
template:
metadata:
labels:
app: helloworld-v2
spec:
containers:
- name: k8s-demo
image: wardviaene/k8s-demo:2
ports:
- name: nodejs-port
containerPort: 3000
---
apiVersion: v1
kind: Service
metadata:
name: helloworld-v2
spec:
type: NodePort
ports:
- port: 80
nodePort: 30304
targetPort: 3000
protocol: TCP
name: http
selector:
app: helloworld-v2
view raw helloworld-v2.yml hosted with ❤ by GitHub
# An Ingress with 2 hosts and 3 endpoints
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: helloworld-rules
spec:
rules:
- host: helloworld-v1.example.com
http:
paths:
- path: /
backend:
serviceName: helloworld-v1
servicePort: 80
- host: helloworld-v2.example.com
http:
paths:
- path: /
backend:
serviceName: helloworld-v2
servicePort: 80
view raw ingress.yml hosted with ❤ by GitHub
apiVersion: v1
kind: ReplicationController
metadata:
name: nginx-ingress-controller
labels:
k8s-app: nginx-ingress-lb
spec:
replicas: 1
selector:
k8s-app: nginx-ingress-lb
template:
metadata:
labels:
k8s-app: nginx-ingress-lb
name: nginx-ingress-lb
spec:
terminationGracePeriodSeconds: 60
containers:
- image: gcr.io/google_containers/nginx-ingress-controller:0.8.3
name: nginx-ingress-lb
imagePullPolicy: Always
readinessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
livenessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
timeoutSeconds: 1
# use downward API
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
ports:
- containerPort: 80
hostPort: 80
- containerPort: 443
hostPort: 443
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/echoheaders-default
view raw nginx-ingress-controller.yml hosted with ❤ by GitHub

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