This document discusses Salesforce DX, which is a development tool that allows developers to develop, test, and deploy Salesforce applications locally. It introduces key concepts like the Salesforce CLI, scratch orgs, unlocked packages, and continuous integration.
The Salesforce CLI is the main tool for Salesforce DX that allows developers to create scratch orgs and manage the local source code. A scratch org is a temporary development environment, while a Developer Hub org is used to manage scratch orgs. Projects are defined in a sfdx-project.json file.
Unlocked packages allow encapsulating and versioning metadata changes. They promote modular development and support dependencies. Continuous integration automates the deployment pipeline by running Salesforce