Nginx Subdomain/Staging 服务器冲突的服务器名称

Nginx Subdomain/Staging Server conflicting server name

您好,我正在尝试使用 nginx 配置服务器及其子域,但 nginx 显示服务器名称冲突。我已经尝试过这些设置。谁能建议我如何使用 nginx 配置子域? 我收到错误:

nginx: [warn] conflicting server name ":" on 0.0.0.0:3000, ignored

server{
listen 3000;
server_name : www.website.com website.com;
......
}
server{
listen 3000;
server_name : www.staging.website.com staging.website.com;
......
}

应该是:

server{
listen 3000;
server_name www.website.com website.com;
......
}
server{
listen 3000;
server_name www.staging.website.com staging.website.com;
......
}

没有冒号。