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Scaling GitHub Actions To the CNCF - Jeffrey Sica, Cloud Native Computing Foundation
The CNCF is home to over 230 open source projects, most of which rely on GitHub for both source control and CI workflows. While GitHub itself scales well, centralizing all these projects under a single GitHub Enterprise account introduces unique challenges—particularly around GitHub Actions, which weren't originally designed to support a foundation of this scale.
In this talk, Jeff will trace the CNCF’s journey with GitHub Actions, highlight the scaling and governance challenges of managing hundreds of projects under one GitHub Enterprise, and explore how the foundation approached those issues. The session will then focus on self-hosted GitHub Action Runners—comparing various hosting strategies and offering a deep dive into how CNCF runs and manages its own fleet of scale-to-zero runners.