Create a staging environment that is as similar to production as possible, by creating a second Heroku application that hosts your staging application.| devcenter.heroku.com
app.json is a manifest format for describing web apps. It declares environment variables, add-ons, and other information required to deploy and run an app on Heroku.| devcenter.heroku.com
Heroku calculates billing based on wall-clock usage.| devcenter.heroku.com
A pipeline is a group of Heroku apps that share the same codebase.| devcenter.heroku.com
Assertible's automation lets you integrate web application testing with the tools and services you already use. If a critical API is down, has a slow response time, or fails any other assertions, you can set up automation and hooks to alert you or process some other action.| Assertible
A guide to using Puma on Heroku. Puma uses threads, in addition to worker processes, to make more use of a systems available CPU.| devcenter.heroku.com
Don't have environments| alexgaynor.net
Heroku Connect is an add-on that provides a data synchronization service between Salesforce and Heroku Postgres databases.| devcenter.heroku.com
Developer reference for Heroku Continuous Integration| devcenter.heroku.com
Understand the differences between the various Heroku Postgres plans and how to choose which one is most appropriate for your use-case.| devcenter.heroku.com
The Eco dynos plan provides 1000 dyno hours for $5 per month. This article describes how this dyno hours pool works.| devcenter.heroku.com