Conditional Execution and Job Dependencies
Control when steps and jobs run using if conditions, the needs keyword, expressions, and status check functions in GitHub Actions workflows.
Why Conditions Matter
Not every step should run every time. You might want a deploy step to run only on the main branch, or a notification step to run only when something failed.
GitHub Actions lets you attach an if condition to any step or job to control whether it executes.
The if Key
Add an if: key to a step. The step only runs when the expression evaluates to true.
Expressions inside if do not need the ${{ }} wrapper, though it is allowed.
steps:
- name: Deploy
if: github.ref == 'refs/heads/main'
run: ./deploy.shAll lessons in this course
- Matrix Builds for Multiple Environments
- Caching Dependencies for Speed
- Reusable Workflows and Actions
- Conditional Execution and Job Dependencies