GitHub Actions

GitHub Actions — CI/CD Without Leaving GitHub When your code’s already on GitHub, setting up a separate CI/CD server can feel like overkill. GitHub Actions solves that by letting you keep the automation right where the code lives. Push a commit, open a pull request, or even label an issue — and a workflow you’ve written can jump into action instantly. Instead of wiring up webhooks and tokens between services, you drop a YAML file into .github/workflows and define what should happen. Maybe it’s r

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GitHub Actions — CI/CD Without Leaving GitHub

When your code’s already on GitHub, setting up a separate CI/CD server can feel like overkill. GitHub Actions solves that by letting you keep the automation right where the code lives. Push a commit, open a pull request, or even label an issue — and a workflow you’ve written can jump into action instantly.

Instead of wiring up webhooks and tokens between services, you drop a YAML file into .github/workflows and define what should happen. Maybe it’s running tests, building an image, deploying to staging, or sending a Slack notification. The whole thing lives in the repo, versioned like any other part of the project.

How It Plays Out in Real Life

You push code, flip to the Actions tab, and see a job spinning up within seconds. The runners — either GitHub’s own Linux, Windows, and macOS machines or your self-hosted boxes — start pulling down dependencies and running steps. You can mix official actions, community-made ones from the Marketplace, or your own scripts. If something fails, you’ve got logs right there in the browser, linked to the exact commit.

Useful Facts

What Notes
Runs On GitHub’s hosted runners or self-hosted machines
Format YAML workflow files
Kicks Off On Push, PR, schedule, manual trigger, or repo events
Extras Access to repo secrets, GitHub API, and Marketplace actions
Pricing Included with GitHub (usage limits apply)

A Day-to-Day Example

Morning: merge a PR, and Actions runs the test matrix on three OSes.
Afternoon: a scheduled job builds and publishes a Docker image.
Evening: a manual trigger kicks off a deployment, pulling secrets from GitHub and pushing code to production.

Things Worth Knowing

– You don’t install anything — it’s part of GitHub.
– Self-hosted runners are the way to go for jobs needing special dependencies.
– Marketplace actions save time, but always read the source before trusting them.

Where It’s Strong

– CI/CD pipelines without extra infrastructure.
– Automating repo chores like labeling issues or syncing branches.
– Quick setup for side projects and prototypes.

Watch Outs

– Job time and storage are capped by plan.
– Long-running processes need self-hosted runners.
– You’re tied to GitHub — migrating workflows elsewhere takes effort.

Alternatives

GitLab CI — Same idea inside GitLab’s platform.
Bitbucket Pipelines — Built-in for Bitbucket users.
Jenkins — Fully under your control, but heavier to manage.

Other programs

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