Embed env_vars guidance in docs

calibre_web/CHANGELOG.md

@@ -1,3 +1,4 @@
+- Added support for configuring extra environment variables via the `env_vars` add-on option alongside config.yaml. See https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon-2 for details.
 
 ## 0.6.25 (30-08-2025)
 - Update to latest version from linuxserver/docker-calibre-web (changelog : https://github.com/linuxserver/docker-calibre-web/releases)

calibre_web/README.md

@@ -95,7 +95,7 @@ This addon supports mounting both local drives and remote SMB shares:
 This addon supports custom scripts and environment variables:
 
 - **Custom scripts**: See [Running Custom Scripts in Addons](https://github.com/alexbelgium/hassio-addons/wiki/Running-custom-scripts-in-Addons)
-- **Environment variables**: See [Add Environment Variables to your Addon](https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon)
+- **env_vars option**: Use the add-on `env_vars` option to pass extra environment variables (uppercase or lowercase names). See https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon-2 for details.
 
 ## Support
 
@@ -108,3 +108,5 @@ Create an issue on github
 ![illustration](https://calibre-web.com/img/slider/artistdetails.png)
 
 [repository]: https://github.com/alexbelgium/hassio-addons
+
+

calibre_web/config.yaml

@@ -101,7 +101,7 @@ privileged:
   - NET_ADMIN
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   DOCKER_MODS: str?
   OAUTHLIB_RELAX_TOKEN_SCOPE: str?