Reference for GitHub Actions
Find information to apply to your work with GitHub Actions.
Workflow syntax for GitHub Actions
A workflow is a configurable automated process made up of one or more jobs. You must create a YAML file to define your workflow configuration.
Events that trigger workflows
You can configure your workflows to run when specific activity on GitHub happens, at a scheduled time, or when an event outside of GitHub occurs.
Workflow commands for GitHub Actions
You can use workflow commands when running shell commands in a workflow or in an action's code.
Variables reference
Find information for supported variables, naming conventions, limits, and contexts in GitHub Actions workflows.
Evaluate expressions in workflows and actions
You can evaluate expressions in workflows and actions.
Contexts reference
Find information about contexts available in GitHub Actions workflows, including available properties, access methods, and usage examples.
Metadata syntax for GitHub Actions
You can create actions to perform tasks in your repository. Actions require a metadata file that uses YAML syntax.
Actions limits
There are limits in GitHub Actions which you may hit as you scale up, some may be increased by contacting support.
Dockerfile support for GitHub Actions
When creating a Dockerfile for a Docker container action, you should be aware of how some Docker instructions interact with GitHub Actions and an action's metadata file.
Supported architectures and operating systems for self-hosted runners
The following processor architectures and operating systems are supported for the self-hosted runner application.
Usage limits for self-hosted runners
There are some limits on GitHub Actions usage when using self-hosted runners. These limits are subject to change.
Supplemental arguments and settings
GitHub Actions Importer has several supplemental arguments and settings to tailor the migration process to your needs.