How to install GD on Heroku

Question

I am running Laravel 5.3 and trying to do some image manipulation. I get this error: GD Library extension not available with this PHP installation.

I\'ve tried putting g

Answer 1

I run composer require ext-gd and git push heroku master it did work.

I tried add "gd": "*" to composer.json and perform composer update but when push to Heroku meet error with Class 'Symfony\Component\HttpFoundation\InputBag' not found. I think it's not only update ext-gd with composer update