Initial commit: 智能项目定价模型

nginx.conf

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+# 智能项目定价模型 - Nginx 反向代理配置
+# 遵循瑞小美部署规范：仅暴露 80/443 端口，SSL 终止
+
+# HTTP 重定向到 HTTPS
+server {
+    listen 80;
+    server_name pricing.example.com;
+    
+    # Let's Encrypt 验证路径
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+    
+    # 其他请求重定向到 HTTPS
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+# HTTPS 配置
+server {
+    listen 443 ssl http2;
+    server_name pricing.example.com;
+    
+    # SSL 证书配置
+    ssl_certificate     /etc/nginx/ssl/pricing.example.com.pem;
+    ssl_certificate_key /etc/nginx/ssl/pricing.example.com.key;
+    
+    # SSL 安全配置
+    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;
+    ssl_prefer_server_ciphers off;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_timeout 1d;
+    
+    # 安全头
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+    
+    # 启用 gzip 压缩
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_proxied any;
+    gzip_types text/plain text/css text/xml application/json application/javascript application/xml+rss application/atom+xml image/svg+xml;
+    
+    # 请求体大小限制（用于文件上传）
+    client_max_body_size 10M;
+    
+    # 前端静态资源
+    location / {
+        proxy_pass http://pricing-frontend:80;
+        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;
+        
+        # 缓存控制
+        proxy_cache_bypass $http_upgrade;
+    }
+    
+    # 后端 API
+    location /api/ {
+        proxy_pass http://pricing-backend:8000/api/;
+        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;
+        
+        # 超时配置（AI 接口可能较慢）
+        proxy_connect_timeout 60s;
+        proxy_send_timeout 120s;
+        proxy_read_timeout 120s;
+        
+        # WebSocket 支持（用于 AI 流式输出）
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+    }
+    
+    # 健康检查
+    location /health {
+        proxy_pass http://pricing-backend:8000/health;
+        proxy_set_header Host $host;
+        access_log off;
+    }
+    
+    # 禁止访问敏感文件
+    location ~ /\. {
+        deny all;
+    }
+}