Add healthcheck logic for waiting that php service is ready (#448)

docker/php/docker-entrypoint.sh

@@ -14,13 +14,13 @@ if [ "$1" = 'php-fpm' ] || [ "$1" = 'php' ] || [ "$1" = 'bin/console' ]; then
 		composer create-project "symfony/skeleton $SYMFONY_VERSION" tmp --stability="$STABILITY" --prefer-dist --no-progress --no-interaction --no-install
 
 		cd tmp
-		composer require "php:>=$PHP_VERSION"
-		composer config --json extra.symfony.docker 'true'
 		cp -Rp . ..
 		cd -
-
 		rm -Rf tmp/
 
+		composer require "php:>=$PHP_VERSION"
+		composer config --json extra.symfony.docker 'true'
+
 		if grep -q ^DATABASE_URL= .env; then
 			echo "To finish the installation please press Ctrl+C to stop Docker Compose and run: docker compose up --build --wait"
 			sleep infinity