docker/mod/nginx/bbb/bbb-html5.nginx

location /html5client {
  proxy_pass http://html5:3000;
  proxy_http_version 1.1;
  proxy_set_header Upgrade $http_upgrade;
  proxy_set_header Connection "Upgrade";
}

location /_timesync {
  proxy_pass http://html5:3000;
}