# ============================================
# K8S Web 静态站点部署清单
# 用法见同目录 README.md:
#   1) 先用本地 html 生成 ConfigMap(命令见 README)
#   2) kubectl apply -f deploy.yaml
# ============================================
apiVersion: v1
kind: Namespace
metadata:
  name: k8s-web
---
# 静态页面通过 ConfigMap k8s-web-html 提供(由 README 中的命令生成)
apiVersion: apps/v1
kind: Deployment
metadata:
  name: k8s-web
  namespace: k8s-web
  labels:
    app: k8s-web
spec:
  replicas: 2
  selector:
    matchLabels:
      app: k8s-web
  template:
    metadata:
      labels:
        app: k8s-web
    spec:
      containers:
        - name: web
          image: nginx:1.27-alpine
          ports:
            - containerPort: 80
          resources:
            requests: {cpu: 50m, memory: 64Mi}
            limits:   {cpu: 200m, memory: 128Mi}
          readinessProbe:
            httpGet: {path: /, port: 80}
            initialDelaySeconds: 3
          livenessProbe:
            httpGet: {path: /, port: 80}
            initialDelaySeconds: 10
          volumeMounts:
            # subPath 挂载单文件;注意 subPath 挂载不支持热更新,
            # 改页面后需 kubectl rollout restart deploy/k8s-web -n k8s-web
            - name: html
              mountPath: /usr/share/nginx/html/index.html
              subPath: index.html
            - name: html
              mountPath: /usr/share/nginx/html/ingress.html
              subPath: ingress.html
      volumes:
        - name: html
          configMap:
            name: k8s-web-html
---
apiVersion: v1
kind: Service
metadata:
  name: k8s-web
  namespace: k8s-web
  labels:
    app: k8s-web
spec:
  selector:
    app: k8s-web
  ports:
    - name: http
      port: 80
      targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: k8s-web
  namespace: k8s-web
  annotations:
    # 测试环境可关闭强制跳转;生产建议开启 TLS 后删除此注解
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  ingressClassName: nginx          # 集群中 Controller 的 IngressClass 名,按实际修改
  rules:
    - host: k8s-web.example.com    # ★ 改成你的域名;删掉 host 则匹配任意域名
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: k8s-web
                port:
                  number: 80