feat: automatic APP_URL update in shopware

rootfs/entrypoint

@@ -4,4 +4,4 @@ set -e
 
 sh /etc/scripts/fix-mount.sh
 
-exec $@
+exec $@

rootfs/etc/Procfile

@@ -1,5 +1,6 @@
 nginx: /usr/sbin/nginx
 php-fpm: /usr/sbin/php-fpm
-mysql: /usr/bin/mariadbd --basedir=/usr --datadir=/var/lib/mariadb --plugin-dir=/usr/lib/mariadb/plugin --user=www-data
+mariadb: /usr/bin/mariadbd --basedir=/usr --datadir=/var/lib/mariadb --plugin-dir=/usr/lib/mariadb/plugin --user=www-data
 valkey: /usr/bin/valkey-server --dir /tmp
 mailpit: /usr/bin/mailpit --db-file /tmp/mailpit.db
+maintenance: /etc/scripts/app-url.sh

rootfs/etc/scripts/app-url.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env sh
+
+until mariadb-admin ping; do sleep 1; done
+
+if [[ -n $APP_URL ]]; then
+  mariadb -uroot -proot shopware -e "UPDATE sales_channel_domain set url = '${APP_URL}'"
+fi
+
+echo "Updated sales_channel_domain, sleeping now..."
+
+sleep infinity