server {
    listen 80;
    server_name localhost;

    root /usr/share/nginx/html;
    index index.html;

    # 前端路由（SPA）
    location / {
        try_files $uri $uri/ /index.html;
    }

    # H5 手机版
    location /h5 {
        alias /usr/share/nginx/html/h5;
        try_files $uri $uri/ /h5/index.html;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
    }

    # API 代理到后端
    location /api/ {
        proxy_pass http://backend:3000;
        proxy_set_header Host $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;
        proxy_buffering off;
        proxy_read_timeout 120s;
    }

    # 静态资源缓存
    location /assets {
        expires 7d;
        add_header Cache-Control "public, immutable";
    }
}