Zed back-end is a PHP application.
Cache and content live in /var/dataroot.
Subfolders follow current repository structure.
Users content is a private repository, and is cloned through deploy key,
using a similar method than for wwwroot51. It benefits from the promotion
of this method for all Alkane in D3187.
Credentials are stored in Vault and deployed through a .env file.
Zed code has been updated to include support for DotEnv.
This configuration scope is nginx and PHP for Zed itself,
the Hotglue builder will need follow-up changes.
Finally, the same pattern we use for Docker services is used here:
a specific pillar file for everything about Zed centralized in one place.
Ref T1676.