Gate the Staging Deploy

Add a build parameter and a conditional deployment gate.

A beginner Jenkins challenge worth 3 points. Solve it hands-on in a real Jenkins environment in your browser - no local setup, no fake shells.

The Challenge

Scenario: The same job serves several environments, but deployment must only run when an operator selects staging.

Requirements:

• Add a DEPLOY_ENV choice parameter: dev, staging, production
• Add a Declarative when expression using params.DEPLOY_ENV
• Make the Deploy stage run only for staging
• Use Build with Parameters and select staging