This web application should use the container registry on Heroku

[talumbau]

Instead of using the Conda buildpack, we should use the Heroku container registry (and then the specific container for Miniconda) for launching this web application. The main advantage is the lack of a slug size maximum. Details here:

https://github.com/heroku-examples/python-miniconda

[hdoupe]

Closed via #889