I built a GitHub Action that works with any stack — here's how

📰 Dev.to · rexrun

Learn how to build a GitHub Action that automatically detects project languages and runs the right CI command with zero config

intermediate Published 29 May 2026
Action Steps
  1. Build a GitHub Action using JavaScript or TypeScript
  2. Configure the action to detect project languages using machine learning or regex
  3. Run the right CI command based on the detected language
  4. Test the action with different project types
  5. Deploy the action to GitHub Marketplace for public use
Who Needs to Know This

Developers and DevOps teams can benefit from this tutorial to automate their CI/CD pipelines and improve productivity

Key Insight

💡 Automating CI/CD pipelines with GitHub Actions can improve productivity and reduce manual errors

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🚀 Automate your CI/CD pipeline with a GitHub Action that detects project languages and runs the right command with zero config! 💻

Key Takeaways

Learn how to build a GitHub Action that automatically detects project languages and runs the right CI command with zero config

Full Article

How rex detects your project language and runs the right CI command with zero config. Deep dive into the implementation.
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