---
title: "Klaus Lehner (@Klu2) | Hashnode"
description: "Developing people, organizations and software. Read the latest articles by Klaus Lehner on Hashnode."
url: "https://hashnode.com/@Klu2"
---

@Klu2

# Klaus Lehner

@Klu2 · Vienna, AT · Joined January 2021

Developing people, organizations and software

[Website](https://be.greenyplus.com/v/5293959)

### [Advanced project setup with Nest.js and Typescript](https://agilecoding.io/advanced-project-setup-with-nestjs-and-typescript?utm_source=hashnode&utm_medium=feed)

Tips and tricks for Linting & Co. that go beyond the default scaffold

8 min read · [agilecoding.io](https://agilecoding.io/advanced-project-setup-with-nestjs-and-typescript?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/advanced-project-setup-with-nestjs-and-typescript/661d21b44b8894528066e727) [Apr 15, 2024](https://hashnode.com/posts/advanced-project-setup-with-nestjs-and-typescript/661d21b44b8894528066e727)

### [Why I transitioned from Spring & Kotlin to Nest.js & Typescript](https://agilecoding.io/why-i-transitioned-from-spring-kotlin-to-nestjs-typescript?utm_source=hashnode&utm_medium=feed)

Embracing Change. Never settle.

10 min read · [agilecoding.io](https://agilecoding.io/why-i-transitioned-from-spring-kotlin-to-nestjs-typescript?utm_source=hashnode&utm_medium=feed)

[Mar 24, 2024](https://hashnode.com/posts/why-i-transitioned-from-spring-kotlin-to-nestjs-typescript/66005c79f27037fdd96fff47)

### [Architecture as Code using C4 + PlantUML](https://engineering.cloudflight.io/architecture-as-code-using-c4-plantuml?utm_source=hashnode&utm_medium=feed)

Better code than draw, thanks to Structurizr

10 min read · [engineering.cloudflight.io](https://engineering.cloudflight.io/architecture-as-code-using-c4-plantuml?utm_source=hashnode&utm_medium=feed)

[Jul 5, 2022](https://hashnode.com/posts/architecture-as-code-using-c4-plantuml/62c42261c0401b3dcbd00441)

### [Developing and Testing Spring Boot Apps with Azure Storage locally](https://engineering.cloudflight.io/developing-and-testing-spring-boot-apps-with-azure-storage-locally?utm_source=hashnode&utm_medium=feed)

Use Azurite and TestContainers locally to emulate parts of the Azure Cloud

4 min read · [engineering.cloudflight.io](https://engineering.cloudflight.io/developing-and-testing-spring-boot-apps-with-azure-storage-locally?utm_source=hashnode&utm_medium=feed)

[Jan 30, 2022](https://hashnode.com/posts/developing-and-testing-spring-boot-apps-with-azure-storage-locally/61f66d5966fcfc728be19faf)

### [Typesafe API testing with Spring Boot, Kotlin and OpenFeign](https://agilecoding.io/typesafe-api-testing-with-spring-boot-kotlin-and-openfeign?utm_source=hashnode&utm_medium=feed)

Keep your integration tests as close as possible to your application code, avoid mocking.

7 min read · [agilecoding.io](https://agilecoding.io/typesafe-api-testing-with-spring-boot-kotlin-and-openfeign?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/typesafe-api-testing-with-spring-boot-kotlin-and-openfeign/61ee5abee247b2151e61ba80) [Jan 24, 2022](https://hashnode.com/posts/typesafe-api-testing-with-spring-boot-kotlin-and-openfeign/61ee5abee247b2151e61ba80)