upstream easycard_backend {
    server 127.0.0.1:8112;
    keepalive 32;
}

server {
    listen 80;
    server_name _;

    client_max_body_size 20m;

    location = /card {
        return 301 /card/;
    }

    # 按服务器实际路径替换为前端 dist 目录。
    root /root/easycard/dist;
    index index.html;

    # 仅将 /card/api 前缀映射到后端 8112 服务。
    # 例如：/card/api/v1/system/ping -> /api/v1/system/ping
    location ^~ /card/api/ {
        rewrite ^/card(/.*)$ $1 break;
        proxy_pass http://easycard_backend;
        proxy_http_version 1.1;
        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_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Prefix /card;
        proxy_redirect off;
    }

    # 托管前端静态资源与 history 路由。
    location ^~ /card/ {
        rewrite ^/card/(.*)$ /$1 break;
        try_files $uri $uri/ /index.html;
    }
}