events {
    worker_connections 1024;
}

http {
    upstream stock-monitor {
        server stock-monitor:8000;
    }

    # HTTP服务器配置
    server {
        listen 80;
        server_name localhost;

        # 重定向到HTTPS
        return 301 https://$server_name$request_uri;
    }

    # HTTPS服务器配置
    server {
        listen 443 ssl http2;
        server_name localhost;

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

        # 安全头
        add_header X-Frame-Options DENY;
        add_header X-Content-Type-Options nosniff;
        add_header X-XSS-Protection "1; mode=block";
        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";

        # Gzip压缩
        gzip on;
        gzip_vary on;
        gzip_min_length 1024;
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        # 静态文件缓存
        location /static/ {
            alias /app/static/;
            expires 1y;
            add_header Cache-Control "public, immutable";
        }

        # API代理
        location /api/ {
            proxy_pass http://stock-monitor;
            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_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # 主应用代理
        location / {
            proxy_pass http://stock-monitor;
            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_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }
    }
}