I just successfully completed this goal using static files created during a heroku postbuild step, as described in this blogpost. I have a React frontend (could be anything though) and Express API backend. Each process has its own port in dev, but deploying on Heroku uses just one total. Put the working frontend in a … Read more
Yes, you can put comments in a Procfile. I know of two programs which parse Procfiles, foreman and forego. In foreman, which originated the Procfile format, a Procfile can contain comments, blank lines, and in fact any line that doesn’t look like a meaningful Procfile line. From the class that parses a Procfile: # A … Read more
Procfile is a mechanism for declaring what commands are run by your application’s dynos on the Heroku platform. From Process Types and the Procfile, which is a good introduction, but basically you use the Procfile to tell Heroku how to run various pieces of your app. The part to the left of the colon on … Read more