Related PRs:
- add backend config variables docs comment by tongueroo · Pull Request #22 · boltops-tools/terraspace_plugin_aws · GitHub
- add backend config variables docs comment by tongueroo · Pull Request #18 · boltops-tools/terraspace_plugin_azurerm · GitHub
- add backend config variables docs comment by tongueroo · Pull Request #15 · boltops-tools/terraspace_plugin_google · GitHub
RE: we cannot add dynamically (multiple) new ones or can only use the :EXTRA one for the whole project?
Believe a boot hook can help with that. Take a look at Boot Hooks - Terraspace
With the boot hook, you can run any arbitrary logic you need early on. This includes setting one more multiple environment variables. You can key off of one env var, and based off of that set additional variables dynamically if you wish.
Also, other users have done some interesting things with the boot hook