dotnet-ado-patterns

Composable Azure DevOps YAML pipeline patterns for .NET projects: template references with extends, stages, jobs, and steps keywords for hierarchical pipeline composition, variable groups and variable templates for centralized configuration, pipeline decorators for organization-wide policy injection, conditional insertion with ${{ if }} and ${{ each }} expressions, multi-stage pipelines (build, test, deploy), and pipeline triggers for CI, PR, and scheduled runs.

Version assumptions: Azure Pipelines YAML schema. DotNetCoreCLI@2 task for .NET 8/9/10 builds. Template expressions syntax v2.

Scope boundary: This skill owns composable pipeline design patterns for Azure DevOps YAML. Starter CI templates (basic build/test/pack) are owned by [skill:dotnet-add-ci] -- this skill extends those templates with advanced composition. CLI-specific release pipelines (build-package-release for CLI binaries) are owned by [skill:dotnet-cli-release-pipeline] -- this skill covers general pipeline patterns that CLI pipelines consume. ADO-unique features (environments with approvals, service connections, classic releases) are in [skill:dotnet-ado-unique].

Out of scope: Starter CI templates -- see [skill:dotnet-add-ci]. CLI release pipelines (tag-triggered build-package-release for CLI tools) -- see [skill:dotnet-cli-release-pipeline]. ADO-unique features (environments, service connections, classic releases) -- see [skill:dotnet-ado-unique]. Build/test specifics -- see [skill:dotnet-ado-build-test]. Publishing pipelines -- see [skill:dotnet-ado-publish]. GitHub Actions workflow patterns -- see [skill:dotnet-gha-patterns].

Cross-references: [skill:dotnet-add-ci] for starter templates that these patterns extend, [skill:dotnet-cli-release-pipeline] for CLI-specific release automation.

Template References

Stage Templates

Stage templates define reusable pipeline stages that callers insert into their multi-stage pipeline: