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Write a GitHub Actions workflow that uses a reusable workflow with secrets inheritance and outputs to gate a downstream deploy job

Write a GitHub Actions composite action that runs linting, testing, and SBOM generation as reusable steps and publishes the composite action to a shared internal repository

Publish GitHub artifact attestations using the actions/attest-build-provenance action and verify them

List and delete specific package versions from the GitHub Container Registry (GHCR) for an organization using the GitHub REST API

Use the GitHub Actions concurrency queue: max parameter to serialize workflow runs without cancellation

Register a GitHub Actions self-hosted runner with custom labels and target it from a workflow

Deploy GitHub Actions runner scale sets on Kubernetes with Actions Runner Controller (ARC)

Configure GitHub larger runners for a repository or organization

Harden self-hosted runners with ephemeral mode and just-in-time (JIT) provisioning

Configure GitHub merge queue for a protected branch

Implement path-filtered CI triggers in a monorepo with GitHub Actions

Configure GitHub Actions concurrency groups to cancel superseded workflow runs

Structure GitHub Actions reusable workflows (workflow_call) for cross-repository sharing

Manage GitHub Actions artifact retention and understand the v4 upload/download actions

Understand and manage GitHub Actions cache storage limits and eviction behavior

Run macOS CI jobs on GitHub-hosted and self-hosted macOS runners with correct Xcode configuration

Enforce required CI workflows across an organization using GitHub rulesets

Collect CI cost and duration telemetry using the GitHub Actions workflow run API and OpenTelemetry

List organization-wide secret scanning alerts via the GitHub REST API

Configure GitHub secret scanning push protection and audit bypass requests via REST API

Enable secret scanning for all repositories in a GitHub organization via the REST API

Attest and verify a container image with GitHub Artifact Attestations

Define and consume a GitHub Actions reusable workflow via workflow_call

Trigger a GitHub Actions workflow_dispatch event via the REST API

Create and update GitHub Deployments with environment tracking via API

Generate a GitHub App installation access token for API authentication

Configure GitHub branch protection rules and repository rulesets via API

Understand and configure GitHub merge queue for CI gating

Retrieve GitHub code scanning and Dependabot alerts via the REST API