server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;

    # 开启 gzip 压缩
    gzip on;
    gzip_min_length 1k;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;

    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
        # 支持 Vue Router history 模式
        try_files $uri $uri/ /index.html;
    }

    # 反向代理所有后端的 API 请求 -> backend服务容器 (Docker compose 网络内的名字和暴露的端口)
    location /api/ {
        proxy_pass http://backend:8080/api/;
        
        # 传递客户端真实IP给后端
        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;
    }
}