The Ruby on Rails database connection pool | by Maxence Malbois | Medium
Six Tips for Mastering your Procfile
Twitter-এ Vladimir Dementyev: "And now it looks like @heroku banned (or whatever) my app😁 HTTP fails with "App boot timeout", building new slugs is getting stuck with no output" / টুইটার
Como publicar Rails en heroku
Heroku and Rails Applications
GitHub - rubinius/heroku-rbx-puma-rails-app: How to get an app running on Heroku using Rubinius and Puma
Why to use PUMA in production for your Rails App - DEV Community 👩💻👨💻