Understanding integration/delivery workflow automation

The process of integration and delivery workflow automation is pretty simple: you need a repository and an automation tool or build server that can connect to your repository. Then, you must define rules regarding which Git events should send information to the server to trigger certain scripts. The following diagram illustrates this process:

Figure 11.1 – Basic CI setup

A Git event such as commit, pull request, or merge triggers the automation tool. The automation tool starts a clean server with a configuration defined in the automation tool settings. Then, it clones the code from your repository and starts running scripts on it. When it comes to React Native apps, these scripts normally start with installing all the project dependencies and running static type checkers (Flow/TypeScript).

Next, you should run code quality tools such as ESLint and Prettier and check whether the code matches all...