It is super easy to deploy your webgl unity3d project on AWS.
First you need to set up a AWS account. Google aws and follow the step to register the account until you enter the aws dashboard interface.
1. AWS dashboard, click “Host a Static website”
2.Select new website, then select your website
3. Zip the build folder of webgl and then drag in.
4. Then you are done, click the url to see your application.