When you run Act it reads in your GitHub Actions and determines the set of actions that need to be run. It uses the Docker API to either pull or build the necessary images, as defined in your workflow files, and finally determines the execution path based on the dependencies that were defined. Once it has the execution path, it then uses the Docker API to run containers for each action based on the images prepared earlier. The environment variables and filesystem are all configured to match what GitHub provides.

Features

  • Fast Feedback
  • Local Task Runner
  • Manage and Run Act Directly From VS Code
  • Documentation available
  • Examples available

Project Samples

Project Activity

See All Activity >

Categories

CI/CD

License

MIT License

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Act Web Site

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Additional Project Details

Programming Language

Go

Related Categories

Go CI CD

Registered

2025-07-11