A heroku PHP buildpack for Phalcon 3.4
Feel free to change or update
heroku create phalcon-heroku-test // change the project name
heroku config:set BUILDPACK_URL=https://github.com/catehulu/heroku-buildpack-phalcon-3.4-php
git push heroku main
Tested on 21-11-2021 here https://phalcon-heroku-test.herokuapp.com/test.php
Using this repository https://github.com/catehulu/phalcon-heroku-test
resource :
https://www.sitepoint.com/install-custom-php-extensions-heroku/
https://devcenter.heroku.com/articles/php-support