GitHub Actions
In plain terms
GitHub's integrated automation and CI/CD platform.
Going deeper
GitHub Actions runs workflows triggered by repository events to build, test, and deploy, with a marketplace of reusable actions. It lives inside GitHub.
Under the hood
YAML workflows and a rich action marketplace make automation easy; tight GitHub integration is its strength.
Examples
CI/CD, automated tests, releases, scheduled jobs, deploy on merge.
Think of it like...
Like programmable triggers wired into your repository that act on every push or PR.