Location for any Host/ Server

[basti]

Hello,

i want to setup a location match for any hostname/servername like in apache:

cat /etc/apache2/conf-enabled/git.conf
RedirectMatch 404 /\.git

In nginx I try

cat /etc/nginx/conf.d/git.conf
server {
  ## Disable .htaccess and other hidden files
  location ~ /\.(?!well-known).* {
    deny all;
    access_log off;
    log_not_found off;
  }
}

But this does not match.
When I remove server {} i get nginx: [emerg] "location" directive is not
allowed here in /etc/nginx/conf.d/git.conf:2

I do not want to include my file into any server directive. It is asking
for trouble, how fast can you forget to add this?

best regards