So you want a cool screenshot of your website for when you share it on the Facebooks.
But you don't want to take the screenshot again and again, everytime you do an update.
Hi. My name is Erwan d'Orgeville, and I solved this problem. 😎
npm install to install the packages
foreman start to start the server
Go to http://localhost:3000. It's live !
Just put the following code in the
<head> tag of your page :
<meta property="og:image" content="http://yourcoolapp.herokuapp.com/screenshot.png">