Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8 Vertical Slice Architecture 6 Domain-Driven Design 12 CQRS and Event Sourcing 10 Messaging and Event-Driven Architecture 9 Modular Monolith 2 Microservices 10 UI Architecture Patterns 9 Architecture Decisions 7 System Design 15 Distributed Systems Fundamentals 11 Background Jobs and Scheduled Jobs 11 Working with Message Queues 14 Logging in .NET 10 Caching 10 Real-time Applications 9 ASP.NET Core MVC and Razor Pages 13 CI/CD Fundamentals 8 GitHub Actions 16 Jenkins 12 Web Servers and Hosting 12 Deployment Strategies 9 Kubernetes 19 Authentication and Authorization 18

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DevOps PART 07

A .NET Pipeline with Jenkins: dotnet SDK Container, Test Results, Coverage and Publish Artifacts

We restore, build, test and publish Bookstore.Api in the .NET SDK container and record the JUnit report, Cobertura coverage and a fingerprinted artifact in Jenkins. The NuGet cache volume's permission error and the time it saves, xUnit v3's JUnit output with Microsoft.Testing.Platform in .NET 10, the coverage quality gate, and a build that turns red when no test report is found.

8 Nov 2026 9 min 5

DevOps PART 10

Jenkins Shared Libraries: Sharing Pipeline Code with vars/ and src/

A Shared Library keeps repeated pipeline code in a separate repository as vars/ steps and src/ classes; pipelines load it pinned to a tag with @Library('lib@v1.2.0'). The dotnetCi and angularCi steps, a global library via JCasC, the risk of an unpinned main, real output of the difference between a trusted global library and a sandboxed folder library, a JenkinsPipelineUnit test, and when not to write a library.

8 Nov 2026 9 min 5