Redirect www to non www URL using Cloudfront and Lambda@Edge

1. Create an empty aws S3 bucket.

2. Create the lambda function in us-east-1 since it will be used for cloudfront using redirecturl.js.

3. Publish the new version of this lambda function.

4. Create a Cloudfront distribution on this bucket using cname containing www

5. In Cloudfront distribution, while creating Behavior, In Lambda function associations choose below values

     Event Type          -   Viewer Request
     Lambda Function ARN -   arn:aws:lambda:us-east-1:ACC_ID:function:FUNCTION_NAME:PUBLISHED_VERSION