Might be related to the updates to phoenix but "web" directory isn't installed by default. So the instructions reference this directory in the installfest but it doesn't yet exist 01_Installfest/10-deploy-a-phoenix-app.html.
Also might help to let folks know that the brunch commands need to be run from the assets directory on this page: /01_Installfest/11-deploy-to-heroku.html
Might be related to the updates to phoenix but "web" directory isn't installed by default. So the instructions reference this directory in the installfest but it doesn't yet exist 01_Installfest/10-deploy-a-phoenix-app.html.