Embed env_vars guidance in docs

webtrees/CHANGELOG.md

@@ -1,3 +1,5 @@
+- 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.
+
 ## 2.2.4-2 (09-08-2025)
 - Minor bugs fixed
 

webtrees/README.md

@@ -28,6 +28,8 @@ This addon is based on the docker image https://github.com/NathanVaughn/webtrees
 
 ## Configuration
 
+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.
+
 Webui can be found at <http://homeassistant:PORT>.
 
 The name and password are defined through the startup wizard.
@@ -107,3 +109,5 @@ Create an issue on github
 ## Illustration
 
 ![illustration](https://installatron.infomaniak.com/installatron//images/ss2_webtrees.jpg)
+
+

webtrees/config.yaml

@@ -100,7 +100,7 @@ privileged:
   - DAC_READ_SEARCH
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   BASE_URL: url
   DATA_LOCATION: str