This is a simple ruby on rails webapplication to received URL action event from a Shelly H&T device and display the temperature on a webpage.
Create and migrate database
bundle exec rake db:create
bundle exec rake db:migrate
Run server
bundle exec rails start
Point your shelly to http://<hostname>:<port>/measurements/new
Important Shelly does not support https targets!!!
Once at least one event was sent, open a webbrowser to http://<hostname>:<port>/displays/<deviceid>
curl "http://localhost:3000/measurements/new?id=device01&temp=21.23&hum=58.34"