title: How can I change Environments variables in Electron between production and stage
body: <p>I want to change API URL depending on the environments.
  for example</p>
  
  <pre><code>production: https://example.com
  stage: https://stage.example.com
  local: https://localhost:3001
  </code></pre>
  
  <p>In Electron, How can I set Environment variables?</p>
  
  <p>I tried to change production name when I build but it was useless</p>