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Deploy-Laboratory/ansible/files/nodejs-demo/04-04-nodejs-demo.yaml
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# 对应文档docs/04-04-nodejs-端口与Service.md
# 累积04-03 + 容器与进程改监听 8080Service targetPort 对齐
apiVersion: v1
kind: ConfigMap
metadata:
name: nodejs-demo-config
namespace: default
data:
APP_MSG: "Hello from ConfigMap"
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nodejs-demo
namespace: default
spec:
replicas: 1
selector:
matchLabels:
app: nodejs-demo
template:
metadata:
labels:
app: nodejs-demo
spec:
containers:
- name: nodejs-demo
image: node:18.20-alpine
imagePullPolicy: IfNotPresent
env:
- name: APP_MSG
valueFrom:
configMapKeyRef:
name: nodejs-demo-config
key: APP_MSG
command:
- node
- "-e"
- |
const http=require('http');
const msg=process.env.APP_MSG||'no env';
http.createServer((q,s)=>s.end(msg)).listen(8080);
ports:
- containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: nodejs-demo
namespace: default
spec:
selector:
app: nodejs-demo
ports:
- port: 80
targetPort: 8080
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: nodejs-demo
namespace: default
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: web
spec:
rules:
- http:
paths:
- path: /node
pathType: Prefix
backend:
service:
name: nodejs-demo
port:
number: 80