# 反向给本机后端的示例（仅供参考；当前部署不依赖 nginx，前后端同镜像）
server {
    listen 80;
    server_name _;

    client_max_body_size 20M;

    # 前端静态资源
    location / {
        root /usr/share/nginx/html;
        try_files $uri $uri/ /index.html;
    }

    # 后端 API
    location /api/ {
        proxy_pass http://backend: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;
    }

    # 上传文件
    location /uploads/ {
        proxy_pass http://backend:8080;
    }
}