dotnet-gha-patterns

You can create reusable workflows using the workflow_call trigger to share build, test, and deployment logic across multiple .NET repositories, eliminating repetitive CI/CD boilerplate. Composite actions can also encapsulate shared setup steps like SDK installation.

The best approach is implementing caching strategies for NuGet packages, .NET SDK, and build outputs within your GitHub Actions workflows. This caching speeds up dotnet pipelines significantly by reusing previously downloaded dependencies across workflow runs.

Matrix builds run tests across multiple target frameworks and operating systems simultaneously by defining configuration arrays in your GitHub Actions workflow. This ensures your .NET project validates compatibility across different environments concurrently.

Concurrency and environment controls prevent duplicate GitHub Actions runs by using concurrency groups to cancel outdated in-progress workflows. This ensures only the latest commit triggers a full CI/CD pipeline, saving build minutes.

Path-based triggers allow you to run GitHub Actions CI only when relevant .NET code changes, preventing unnecessary pipeline executions. You configure path filters in your workflow triggers to restrict builds to specific directories or files.

Yes, environment protection rules enforce deployment approvals and restrict deployments to specific branches or environments in GitHub Actions. You can configure environment controls within your reusable .NET deployment workflows to gate production releases.