ServerName example.com
  <Proxy *>
    Require all granted
  </Proxy>

   ProxyPass /static !
   ProxyPass /favicon.ico !

   ProxyRequests Off
   ProxyPreserveHost On
   ProxyPass /echo ws://localhost:8080/echo
   ProxyPass / http://localhost:8080/ keepalive=On
   ProxyPassReverse / http://localhost:8080/
   RequestHeader unset X-Forwarded-Host
   RequestHeader set X-Forwarded-Proto "http"