server {
    listen       80;
    server_name  localhost;
    charset utf-8;

    client_max_body_size 20M;

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

    # 后端 API 代理
    location /prod-api/ {
        proxy_pass http://backend:8888/;
        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;
        proxy_connect_timeout 600;
        proxy_read_timeout 600;
        proxy_send_timeout 600;
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # 开发环境 API 代理
    location /dev-api/ {
        proxy_pass http://backend:8888/;
        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;
        proxy_connect_timeout 600;
        proxy_read_timeout 600;
        proxy_send_timeout 600;
        proxy_buffering off;
        proxy_request_buffering off;
    }

    # 文件上传路径代理
    location /profile/ {
        proxy_pass http://backend:8888/profile/;
        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;
    }

    # 错误页面
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # 禁止访问隐藏文件
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}
