# nginx.conf
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    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;
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    # 设置gzip压缩
    gzip on;

    # 定义上游服务器（后端API）
    upstream backend {
        server 127.0.0.1:8000;  # FastAPI应用运行的地址
    }

    # 主服务器配置
    server {
        listen 80;
        server_name localhost;  # 根据实际情况修改域名

        # 静态文件服务（HTML, CSS, JS等）
        location / {
            root /usr/share/nginx/html;  # 根据实际路径修改
            index index.html;
            try_files $uri $uri/ =404;
        }

        # API请求代理到后端
        location /rule/generate_sql {
            proxy_pass http://backend;
            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;

            # 设置超时时间
            proxy_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # 错误页面
        error_page 404 /404.html;
        error_page 500 502 503 504 /50x.html;

        location = /50x.html {
            root /usr/share/nginx/html;
        }
    }

    # 可选：HTTPS服务器配置
    # server {
    #     listen 443 ssl;
    #     server_name localhost;  # 根据实际情况修改域名
    #
    #     ssl_certificate /path/to/your/certificate.crt;
    #     ssl_certificate_key /path/to/your/private.key;
    #     ssl_protocols TLSv1.2 TLSv1.3;
    #     ssl_ciphers HIGH:!aNULL:!MD5;
    #
    #     location / {
    #         root /usr/share/nginx/html;
    #         index index.html;
    #     }
    #
    #     location /rule/generate_sql {
    #         proxy_pass http://backend;
    #         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;
    #     }
    # }
}