title: Configuring environment variables for static web site on AWS S3
body: <p>I am trying to setup a simple static Angular website on S3 per the info:
  <a href="http://docs.aws.amazon.com/gettingstarted/latest/swh/website-hosting-intro.html" rel="noreferrer">http://docs.aws.amazon.com/gettingstarted/latest/swh/website-hosting-intro.html</a></p>
  
  <p>I want to send email via a form that needs to send sendgrid api keys.  Obviously, I want to use environment variables for this to avoid having keys in code.  How do you setup environment variables in S3?</p>
  
  <p>I looked into aws-cli tool but it only shows examples of what appear to be AWS specific enviroment variables.  Is there somewhere in AWS/S3 console were these can be set?</p>
  
  <p>BTW- I would like to use this Angular service which demonstrates the sendgrid service:
  <a href="https://github.com/onaclovtech/sendgrid/blob/master/sendgrid.js" rel="noreferrer">https://github.com/onaclovtech/sendgrid/blob/master/sendgrid.js</a></p>