location @html5client {
  proxy_pass http://html5:4000;
  proxy_http_version 1.1;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection "Upgrade";
}

location /html5client/1/compatibility {
  alias /html5-static/app/compatibility;
}
location /html5client/1/fonts {
  alias /html5-static/app/fonts;
}
location /html5client/1/resources {
  alias /html5-static/app/resources;
}
location /html5client/1/svgs {
  alias /html5-static/app/svgs;
}

location /html5client/1 {
  alias /html5-static;
  try_files $uri @html5client;
}

location /html5client/ {
  alias /html5-static;
  try_files $uri @html5client;
}

location /_timesync {
  proxy_pass http://html5:4000;
}