Added default host for mysql

Author: mblaschke

docker/main/conf/php.ini

@@ -16,6 +16,9 @@ upload_max_filesize = 50M
 ; timezone will be overwritten in startup, use docker-env.yml
 date.timezone = Europe/Berlin
 
+mysql.default_host = mysql
+mysqli.default_host = mysql
+
 xdebug.remote_enable           = 1
 xdebug.remote_connect_back     = on
 xdebug.idekey                  = "docker"