title: How to create multiple stages in serverless framwork
body: <p>i'm trying yo create multiple stages in serverless with no success.</p>
  
  <p>Here is my <code>serverless.yml</code>:</p>
  
  <pre><code>service: some-cache-updater
  provider:
    name: aws
    runtime: nodejs8.10
    stage: dev
  
  functions:
    scheduledUpdater:
      handler: handler.scheduledUpdater
      timeout: 120
  </code></pre>
  
  <p>What i wish to add is a <em>prod</em> stage with a different timeout.</p>
  
  <p>Can i do it in the same yml? </p>
  
  <p>Any way an example or a reference will be helpful... thanks.</p>