title: Change default API spec URL in Swagger UI
body: <p>I'm using the Swagger Editor Docker image for defining my API specification and generate a nodejs server to run as stub api and serve the documentation for my API spec. </p>
  
  <p>I would like to know if it is possible to change the default URL to my own in order to present my spec when I open the page, and how I would do that.</p>
  
  <p><a href="https://i.stack.imgur.com/6cBk3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6cBk3.png" alt="enter image description here"></a></p>
  
  <p>For instance, I would like to change the default address to <code>http://localhost:8080/spec</code></p>