# DjangoAdmin Nginx 反向代理配置
# 部署时修改 server_name、root、proxy_pass 为实际值

upstream fastapi_backend {
    server 127.0.0.1:8031;
    keepalive 16;
}

server {
    listen 80;
    server_name your-domain.com;

    charset utf-8;
    client_max_body_size 50m;

    # 安全头
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;

    # Gzip
    gzip on;
    gzip_min_length 1k;
    gzip_comp_level 6;
    gzip_types text/plain text/css application/json application/javascript text/xml image/svg+xml;
    gzip_vary on;

    # 前端静态资源
    root /data/apps/djangoadmin/frontend/dist;
    index index.html;

    location / {
        try_files $uri $uri/ /index.html;
    }

    location /assets/ {
        expires 30d;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # API 反向代理
    location /api/ {
        proxy_pass http://fastapi_backend/api/;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        # 透传上游X-Forwarded-For（不追加本机IP）；无上游头时回退到直连IP
        proxy_set_header X-Forwarded-For $http_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection "";
        proxy_connect_timeout 60s;
        proxy_read_timeout 120s;
        proxy_send_timeout 60s;
    }

    # 上传文件访问
    location /api/file/ {
        alias /data/apps/djangoadmin/uploads/;
        expires 7d;
        access_log off;
        limit_except GET { deny all; }
    }

    # 禁止访问隐藏文件
    location ~ /\. { deny all; }
}