This is a command line guide, and is more robust. There is no clear guide on AWS EBS documentation on these commands:
First save the working environment in a local configuration file:
eb config save buzz-prod-env-alb
Here, buzz-prod-env-alb stands for our existing environment we use. It will prompt and ask for a name for the saved configuration, let us call it buzz-local for now.
Edit the configuration file if needed:
Next up, push the edited configuration file to EBS S3 configuration storage:
eb config put buzz-local
That’s it. Now you can go to the web console for elastic beanstalk, and use the “Launch” button to launch a new environment that you have edited from your current, original environment.
This step is also quite handy for creating a new environment and using an existing database snapshot. (You can specify the snapshot when launching)