Last weekend I presented at LK DevConf 2020 in Letterkenny. The theme this year was cloud-native development, and the energy was incredible. My Session: Kubernetes for .NET Developers I showed how to take a .NET Core application from local development to production on Kubernetes: Dockerfile best practices for .NET Kubernetes manifests and Helm charts Health […]
Read more →Month: February 2020
React Testing Best Practices in 2020
The React testing landscape has shifted dramatically. In 2018, Enzyme was the standard, allowing developers to manipulate component internals (state, props). In 2020, React Testing Library (RTL) is the undisputed champion. The philosophy “The more your tests resemble the way your software is used, the more confidence they can give you” drives this shift. Enzyme […]
Read more →Entity Framework Core 3.1: Performance and LINQ Improvements
EF Core 3.1 finally addresses the major criticism of previous versions: the implicit client-side evaluation of LINQ queries. In versions 1.x and 2.x, if EF couldn’t translate a C# expression to SQL, it would silently fetch ALL rows and filter in memory. This caused massive production outages. EF Core 3.1 breaks this behavior by throwing […]
Read more →Azure Landing Zones: Enterprise-Scale Architecture
Moving to the cloud is easy; managing it at scale is hard. “Azure Landing Zones” is the Microsoft-recommended architecture for building a scalable, secure, and compliant foundation. It moves away from the “single subscription” model to a “subscription democratization” model managed by Management Groups and Azure Policy. This guide explores the “Enterprise-Scale” reference architecture. The […]
Read more →TypeScript 3.8: Private Fields and Top-Level Await
TypeScript 3.8 brings one of the most awaited features from the ECMAScript Proposal stage 3: Hash-names for private fields. Unlike the private keyword in TypeScript which is erased at compile time, hard private fields (#field) are enforced by the JavaScript runtime (V8), offering true encapsulation. Hard Private Fields (#) vs ‘private’ Top-Level Await You can […]
Read more →GitHub Actions for .NET: Complete CI/CD Guide
GitHub Actions has rapidly matured since its 2019 launch. For .NET developers, it offers a distinct advantage over Azure DevOps: the workflow lives right next to the code, and the marketplace for actions is exploding. This guide shows how to build a robust CI/CD pipeline for a .NET Core 3.1 Web API, including unit testing, […]
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