Embed env_vars guidance in docs

postgres_15/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.
+
 ## 15.7-47 (24-06-2025)
 
 - Fix healthcheck to run with correct user and database

postgres_15/README.md

@@ -58,7 +58,7 @@ For more information, check the [official PostgreSQL image docs](https://hub.doc
 This addon supports custom scripts and environment variables through the `addon_config` mapping:
 
 - **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.
 
 **Configuration File**: By default `postgresql.conf` is stored in `/config/postgresql.conf` accessible by other addons and Home Assistant. You can modify it using the File Editor addon. For better security, change `CONFIG_LOCATION` to `/data/orig/postgresql.conf` to make it accessible only to this addon.
 
@@ -89,3 +89,5 @@ By default, Postgres will be reachable on the local network of your host system.
 Create an issue on github
 
 [repository]: https://github.com/alexbelgium/hassio-addons
+
+

postgres_15/config.yaml

@@ -26,7 +26,7 @@ ports_description:
   5432/tcp: Postgres
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   POSTGRES_DB: str?
   POSTGRES_HOST_AUTH_METHOD: str?