title: What is the syntax in serverless yml file to deploy lambda to multiple regions?
body: <p>I have a requirement to deploy my lambda artifact to 3 different regions. I am using serverless framework. 
  My .yml file looks like this:</p>
  
  <pre><code>provider:
    name: aws
    runtime: nodejs4.3
    stage: dev
    region: us-east-1
  </code></pre>