# AI Knowledge Link — Nginx 生产配置
# Docker Compose 中 frontend 容器 serve 静态产物，此配置用于独立 nginx 容器反代。

upstream backend {
    server backend:8000;
}

server {
    listen 80;
    server_name _;

    client_max_body_size 25m;

    # --- 管理端 API ---
    location /api/ {
        proxy_pass http://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_read_timeout 60s;
    }

    # --- 公共 AI 页面 ---
    # 禁止 Nginx 层缓存（公共页缓存只允许应用内，键含 token_hash）
    location /k/ {
        proxy_pass http://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;
        add_header Cache-Control "private, no-cache, no-store" always;
        add_header X-Robots-Tag "noindex, nofollow, noarchive" always;
    }

    # --- 前端静态 ---
    location / {
        proxy_pass http://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;
    }
}