Ensure tmp folder is empty

docker/php/docker-entrypoint.sh

@@ -11,6 +11,8 @@ if [ "$1" = 'php-fpm' ] || [ "$1" = 'php' ] || [ "$1" = 'bin/console' ]; then
 	# After the installation, the following block can be deleted
 	if [ ! -f composer.json ]; then
 		CREATION=1
+
+		rm -Rf tmp/
 		composer create-project "symfony/skeleton $SYMFONY_VERSION" tmp --stability="$STABILITY" --prefer-dist --no-progress --no-interaction --no-install
 
 		cd tmp