[Feature request] Document support for environment variables

[Dylan]

This is my own workaround for the missing ENV variable support in Checkout UI / POS extensions:

CLI tool for Environment Variables in Checkout Extensions

Hi all, Had some extra time today and decided to release a tool I’ve written to help with the missing ENV variable functionality in Extensions. Why? Without environment variables, developers need to hardcode secrets like API hosts, or public keys. This is accident prone and doesn’t scale well with teams. One accidental development variable being published can actually break your merchant’s checkouts for example. Usage envify shims environment variables into your Shopify Extensions. For examp…

In short, this CLI tool reads your current environment can creates a shimmed variables file that is read by your extension. Then in your CI/CD you can run this same tool to replace the config file with your production ENV variables:

npx @getverdict/envify --vars API_HOST