Fix logo usage

README.md

@@ -69,6 +69,8 @@ The default configuration expects the skin at:
 
 relative to this repository. Override the location in `.env` with `ROUNDCUBE_SKIN_PATH` if needed. The skin directory is mounted read-only and selected with `ROUNDCUBE_SKIN_NAME`.
 
+The bundled `roundcube-config/eternity-logo.php` override sets the login logo to the Eternity skin's `images/logo.svg` through Roundcube's `static.php` asset endpoint. This is required because Eternity inherits Elastic's login template, which would otherwise display Elastic's default logo. Keep this file and its mount in `docker-compose.yml` when using the Eternity skin.
+
 ## Start and stop
 
 Validate the rendered configuration:

docker-compose.yml

@@ -77,7 +77,8 @@ services:
       - "${ROUNDCUBE_BIND-127.0.0.1}:${ROUNDCUBE_PORT:-8091}:80"
 
     volumes:
-      - ${DATA_ROOT:-/opt/eternitymail}/roundcube-config:/var/roundcube/config:ro
+      - ${DATA_ROOT:-/opt/eternitymail}/roundcube-config:/var/roundcube/config
+      - ./roundcube-config/eternity-logo.php:/var/roundcube/config/eternity-logo.php:ro
       - ${ROUNDCUBE_SKIN_PATH:-../ep-roundcube-skin/eternity}:/var/www/html/skins/${ROUNDCUBE_SKIN_NAME:-eternity}:ro
 
     environment:

roundcube-config/eternity-logo.php

@@ -0,0 +1,5 @@
+<?php
+
+$config['skin_logo'] = [
+	'login' => 'static.php/skins/eternity/images/logo.svg',
+];