Design and Build Great Web APIs

Deploying with Heroku

Earlier in this chapter, I described the process of continuous delivery (see ​Continuous Delivery​). To automate on-demand deployment we need to manage lots of seemingly tedious details, such as making sure the app is deployed using the right hardware platform, the correct version of the host operating system, the proper web framework and library dependencies, and so forth. It can be a very daunting task to get that all correct, especially for developers who don’t already know this level of detail on their own systems, let alone the systems running in production.

Luckily, thousands of developers and systems operators before us have boiled the process of continuous delivery down to a stable set of tasks to perform for each ...