# Nginx 配置示例文件
# 复制此文件并根据您的环境修改配置

# 上游后端服务器
upstream backend {
    server localhost:3001;  # 修改为您的后端服务器地址
    keepalive 64;
}

server {
    listen 80;
    server_name your-domain.com;  # 修改为您的域名或 IP
    
    # 客户端最大请求体大小
    client_max_body_size 10M;
    
    # 日志配置（可选）
    # access_log /var/log/nginx/ai-learning-access.log;
    # error_log /var/log/nginx/ai-learning-error.log;
    
    # 前端静态文件路径（修改为实际路径）
    location / {
        root /path/to/frontend/dist;  # 修改为前端构建文件的实际路径
        index index.html;
        try_files $uri $uri/ /index.html;
        
        # 静态资源缓存
        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
            expires 1y;
            add_header Cache-Control "public, immutable";
        }
    }
    
    # API 代理
    location /api {
        proxy_pass http://backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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;
        proxy_cache_bypass $http_upgrade;
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
    
    # 健康检查
    location /health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }
}