server {
    listen 80;
    server_name _;

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

    # gzip 压缩
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
    gzip_min_length 1024;

    # 静态资源缓存（Vite 构建产物带 hash，可长期缓存）
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # API 请求代理到后端服务
    location /api/ {
        proxy_pass http://vending-machine-api:8080;
        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;
    }

    # 上传文件代理到后端服务
    location /uploads/ {
        proxy_pass http://vending-machine-api:8080;
        proxy_set_header Host $host;
    }

    # Vue Router history 模式 — 所有路由回退到 index.html
    location / {
        try_files $uri $uri/ /index.html;
    }
}