server {
    listen 80;
    server_name localhost;
    
    # 重定向HTTP请求到HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name localhost;

    # SSL证书配置
    ssl_certificate /etc/nginx/ssl/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;

    # 安全相关的HTTP头
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Content-Type-Options "nosniff";
    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-XSS-Protection "1; mode=block";
    
    # 负载限制配置
    client_max_body_size 100M;
    client_body_buffer_size 128k;
    
    # 代理缓存设置
    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=STATIC:10m inactive=7d use_temp_path=off;
    proxy_cache_key "$scheme$request_method$host$request_uri";
    
    # 静态资源处理
    location /_next/static {
        proxy_cache STATIC;
        proxy_pass http://nextjs-app:3000/_next/static;
        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;
        
        # 缓存设置
        expires 30d;
        add_header Cache-Control "public, max-age=2592000, immutable";
    }
    
    # 上传文件目录
    location /uploads {
        proxy_pass http://nextjs-app:3000/uploads;
        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;
    }
    
    # API路由
    location /api {
        proxy_pass http://nextjs-app:3000/api;
        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;
    }
    
    # 所有其他请求
    location / {
        proxy_pass http://nextjs-app:3000;
        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;
    }
    
    # 日志配置
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;
}