server {
    listen       80;
    server_name localhost;

    # K8s 部署：proxy_pass 的服务名由 Jenkins envsubst '$KRA_APP' 渲染为 <APP_NAME>-backend，
    # 产物写至 web/nginx.k8s.conf（不入库）。本地手动构建 web 镜像前需先执行渲染。
    location / {
        root /usr/share/nginx/html;
        add_header Cache-Control 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
        try_files $uri $uri/ /index.html;
    }

    location /api {
        proxy_set_header Host $http_host;
        proxy_set_header  X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        rewrite ^/api/(.*)$ /$1 break;  #重写
        proxy_pass http://${KRA_APP}-backend:8000; # Kubernetes Service
     }

    location /api/swagger/index.html {
        proxy_pass http://${KRA_APP}-backend:8000/swagger/index.html;
     }
 }