# github-actions

How to integrate Nexus Repository Manager into GitHub Actions and Jenkins pipelines — publishing artifacts, pulling from proxy repos, tagging releases, and using Nexus IQ for security scanning.

Resolve the GitHub Actions 'Resource not accessible by integration' error by fixing workflow permissions, GITHUB_TOKEN scopes, and repository settings.

Diagnose and resolve GitHub Actions workflows that remain stuck in 'queued' status, covering runner availability, concurrency limits, and label mismatches.

Build production-grade GitHub Actions CI/CD pipelines — from first workflow to reusable workflows, matrix builds, and deployment gates.

Integrate Nexus and Artifactory with Jenkins, GitHub Actions, and GitLab CI — push artifacts, pull dependencies, and implement promotion workflows.

Eliminate duplicated CI/CD logic across repositories using GitHub Actions reusable workflows and composite actions with real-world examples.

Harden GitHub Actions security with least-privilege permissions, OIDC federation, SHA-pinned actions, and secrets management best practices.

Master GitHub Actions matrix builds to test across multiple OS versions, language versions, and configurations in parallel.