server {
    listen 80;
    server_name localhost;
    root /usr/share/nginx/html;
    index index.html;

    # Vue Router 历史模式支持
    location / {
        try_files $uri $uri/ /index.html;
    }

    # API 代理到后台服务
    location /api/ {
        proxy_pass http://api:5000;
        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 Authorization $http_authorization;
        proxy_pass_header Authorization;
    }
}