GitLab CI/CD vs GitHub Actions: what to choose
Both are strong. The choice depends on where your code lives, your security model and your existing tooling.
The first filter is simple: keep CI where the code already is. Cross-hosting a pipeline adds tokens, mirrors and a permanent source of drift for very little benefit.
GitLab CI/CD is stronger when you want one place for repositories, registry, environments and approvals, and when self-hosted runners are part of the security model. GitHub Actions is stronger on ecosystem reuse: reusable workflows, a large action marketplace and OIDC access to cloud accounts without long-lived keys.
Whichever you pick, the details that decide pipeline quality are the same — caching, a dependency-aware monorepo graph, autoscaling runners, and a deployment step with a rollback that has actually been tested.
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