server {
  server_name   git.auxilife.eu;

  location / {
    proxy_pass        http://127.0.0.1:3000;
    proxy_set_header  X-Real-IP  $remote_addr;
    proxy_set_header  Host $host;
  }

}

server {
 if ($host = git.auxilife.eu) {

    listen 80;

}
}