Metadata API supports deploy () and retrieve () calls for file-based deployment.

Team development of an application in a Developer Edition organization. After completing development and testing, the application is Distributed via Lightning Platform AppExchange.

Development of a custom application in a scratch org. After completing development and testing, the application is then deployed into an upper sandbox using Salesforce CLI(SFDX)

Development of a customization in a sandbox organization. The deployment team then utilize the Ant Migration Tool to deploy the customization to an upper sandbox for testing.

Development of a custom application in a sandbox organization. After completing development and testing, the application is then deployed into a production organization using Metadata API.