# 反向代理配置（可选）
upstream ai-chat-backend {
    server web:80;
}

server {
    listen 80;
    server_name localhost;
    
    # 重定向到HTTPS（如果需要）
    # return 301 https://$server_name$request_uri;

    location / {
        proxy_pass http://ai-chat-backend;
        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;
    }
}

# HTTPS配置（如果需要）
# server {
#     listen 443 ssl http2;
#     server_name localhost;
#     
#     ssl_certificate /etc/nginx/ssl/cert.pem;
#     ssl_certificate_key /etc/nginx/ssl/key.pem;
#     
#     location / {
#         proxy_pass http://ai-chat-backend;
#         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_http_version 1.1;
#         proxy_set_header Upgrade $http_upgrade;
#         proxy_set_header Connection "upgrade";
#     }
# }