Managing env vars with the @Netlify CLI is sooooo handy!
I use it to create them locally and source them in my local builds. Safe in the knowledge that they have also then been added to my CI/CD and prod environments.
https://www.netlify.com/blog/2021/07/12/managing-environment-variables-from-your-terminal-with-netlify-cli/?utm_campaign=devex-ph&utm_source=twitter&utm_medium=social&utm_content=env-vars-cli