Workflows and actions reference

Find information on workflows and actions in GitHub Actions.

Links

• 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

  Find information for expressions in GitHub Actions.

• Contexts reference

  Find information about contexts available in GitHub Actions workflows, including available properties, access methods, and usage examples.

• Deployments and environments

  Find information about deployment protection rules, environment secrets, and environment variables.

• Dependency caching reference

  Find information on the functionality of dependency caching in workflows.

• Reusing workflow configurations

  Find information about avoiding duplication when creating a workflow by reusing existing workflows.

• Metadata syntax reference

  You can create actions to perform tasks in your repository. If you're making a custom action, it will require a metadata file that uses YAML syntax.

• Workflow cancellation reference

  Find information on the steps GitHub takes to cancel a workflow run.

• 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.