title: Serverless deploy not picking-up AWS credentials
body: <p>On PowerShell, I defined two environment variables to define AWS secret and access key:</p>
  
  <pre><code>$AWS_ACCESS_KEY_ID="AAAA"
  $AWS_SECRET_ACCESS_KEY="CCCC"
  
  PS C:\Users\Obaid\serverless\helloJava&gt; serverless deploy
  Serverless: Packaging service...
  
  Serverless Error ---------------------------------------
  
  ServerlessError: AWS provider credentials not found.
  Learn how to set up AWS provider credentials in our docs (...)
  </code></pre>
  
  <p>Why serverless dosent pick my credentials? </p>