76 lines
1.7 KiB
YAML
76 lines
1.7 KiB
YAML
# 对应文档：docs/04-03-nodejs-环境变量与配置注入.md
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# 累积：04-02 + ConfigMap + 通过 env 注入 APP_MSG（镜像仍用 18.20-alpine 与 04-02 一致）
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: nodejs-demo-config
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namespace: default
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data:
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APP_MSG: "Hello from ConfigMap"
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: nodejs-demo
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namespace: default
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: nodejs-demo
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template:
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metadata:
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labels:
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app: nodejs-demo
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spec:
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containers:
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- name: nodejs-demo
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image: node:18.20-alpine
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imagePullPolicy: IfNotPresent
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env:
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- name: APP_MSG
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valueFrom:
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configMapKeyRef:
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name: nodejs-demo-config
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key: APP_MSG
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command:
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- node
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- "-e"
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- |
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const http=require('http');
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const msg=process.env.APP_MSG||'no env';
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http.createServer((q,s)=>s.end(msg)).listen(3000);
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ports:
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- containerPort: 3000
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: nodejs-demo
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namespace: default
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spec:
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selector:
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app: nodejs-demo
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ports:
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- port: 80
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targetPort: 3000
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: nodejs-demo
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namespace: default
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annotations:
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traefik.ingress.kubernetes.io/router.entrypoints: web
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spec:
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rules:
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- http:
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paths:
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- path: /node
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pathType: Prefix
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backend:
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service:
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name: nodejs-demo
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port:
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number: 80
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