Install composer dependencies in Docker entrypoint

dev/docker/entrypoint.app.sh

@@ -7,8 +7,9 @@ env
 if [[ -n "$1" ]]; then
     exec "$@"
 else
+    composer install
     wait-for-it db:3306 -t 45
     php artisan migrate --database=mysql
     chown -R www-data:www-data storage
     exec apache2-foreground
-fi
+fi