worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    # 限制body大小
    client_max_body_size 100m;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                          '$status $body_bytes_sent "$http_referer" '
                          '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    # 修正1：将上游名称从关键字server改为语义化ultra_api_server，避免混淆
    # 修正2：显式声明HTTPS默认端口443，配置更清晰
    upstream ultra_api_server {
        ip_hash;
        # gateway 地址（HTTPS端口443显式配置）
        server qdintc.com:443;
        # server 127.0.0.1:8081;
    }

    # 核心新增：HTTPS反向代理必备配置（解决502错误，必须加）
    proxy_ssl_verify off;        # 跳过SSL证书验证（自签名/内网证书必加，公网证书可保留）
    proxy_ssl_server_name on;    # 启用SNI扩展（HTTPS代理强制要求，否则无法正常握手）
    proxy_ssl_protocols TLSv1.2 TLSv1.3; # 限定安全的HTTPS协议版本，避免低版本漏洞

    server {
        listen       80;
        server_name  localhost;

        # https配置参考 start
        #listen       443 ssl;

        # 证书直接存放 /docker/nginx/cert/ 目录下即可 更改证书名称即可 无需更改证书路径
        #ssl on;
        #ssl_certificate      /etc/nginx/cert/xxx.local.crt; # /etc/nginx/cert/ 为docker映射路径 不允许更改
        #ssl_certificate_key  /etc/nginx/cert/xxx.local.key; # /etc/nginx/cert/ 为docker映射路径 不允许更改
        #ssl_session_timeout 5m;
        #ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
        #ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        #ssl_prefer_server_ciphers on;
        # https配置参考 end

        # 演示环境配置 拦截除 GET POST 之外的所有请求
        # if ($request_method !~* GET|POST) {
        #     rewrite  ^/(.*)$  /403;
        # }

        # location = /403 {
        #     default_type application/json;
        #     return 200 '{"msg":"演示模式，不允许操作","code":500}';
        # }

        # 限制外网访问内网 actuator 相关路径
        location ~ ^(/[^/]*)?/actuator.*(/.*)?$ {
            return 403;
        }

        location / {
            root   /usr/share/nginx/html; # docker映射路径 不允许更改
            try_files $uri $uri/ /index.html;
            index  index.html index.htm;
            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        location /ultra-api/ {
            # websocket参数（保留原有，无需修改）
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            # 保留已修正的rewrite规则（移除/ultra-api/前缀）
            rewrite  ^/ultra-api/(.*) /$1 break;
            # 修正3：移除proxy_pass中的/ultra-api/，避免路径重复；替换上游名称为ultra_api_server
            proxy_pass https://ultra_api_server/;
            # 修正4：补充核心反向代理头，与根路径保持一致，让上游获取真实客户端信息
            proxy_set_header Host $http_host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header REMOTE-HOST $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme; # 新增：告诉上游原始请求协议（http/https）
        }

        location /file/ {
            rewrite  ^/file/(.*) /$1 break;
            proxy_pass http://140.249.24.92:9000;
        }

	    location /model/ {
            rewrite  ^/model/(.*) /$1 break;
            proxy_pass http://140.249.24.92:3101;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}