Type coercion is when one type of data is automatically changed into another type. For example, TypeScript can change a number into a string. This happens automatically to prevent errors when different types interact.
This article provides a step-by-step guide on how to get started with Heroku, a polyglot platform. It covers topics such as setting up a Node.js environment, connecting a Git repository, writing a Node.js application, connecting a GitHub repository, getting logs, running CLI apps, and working with databases.