server {
    listen 80;
    server_name moldcost.jimmygan.com;
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    server_name moldcost.jimmygan.com;

    ssl_certificate /etc/letsencrypt/live/moldcost.jimmygan.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/moldcost.jimmygan.com/privkey.pem;
    
    # SSL 配置
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;
    
    # HSTS
    add_header Strict-Transport-Security "max-age=63072000" always;
    
    # 其他安全头
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:;" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;
    
    # 代理设置
    location / {
        proxy_pass http://127.0.0.1:5002;
        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;
        
        # WebSocket 支持
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # 超时设置
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
    
    # 静态文件
    location /static {
        alias /home/jimmyg/mold_cost_online_tool/app/static;
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }
    
    # 日志
    access_log /var/log/nginx/moldcost_access.log;
    error_log /var/log/nginx/moldcost_error.log;
}