title: How do I link and scale multiple docker containers?
body: <p>I would like to use Selenium Grid's Docker images to execute tests in parallel. </p>
  
  <p>In order to do so, I wish to dispatch each test suite to a different browser node. Each node would have to be paired up with its own dockerized server so that the tests may run. So my question is what is the best way to link the container pairs?</p>
  
  <p>Is there a way to easily scale the server-node pairs, perhaps with Docker Compose?</p>
  
  <p>I am pretty new to all of this, so apologies if what I am trying to achieve isn't very clear.</p>