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I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

OpenCost – Open Source Cost Monitoring for Cloud Environments

Some time ago, I recommended Vantage as a unified AWS cost tracking tool. As an - also cloud vendor-neutral - cost monitoring tool, with OpenCost there now is an open source solution for this use case as well. Instead of relying on a third-party service, OpenCost allows you to run your own cost monitoring service in your Kubernetes cluster, which might be a useful alternative, especially for enterprise environments where Kubernetes experience and DevOps resources are often readily available.

Vector Similarity Search in Spring with Redis Stack by Brian Sam-Bodden @ Spring I/O 2023

Sunday September 17th, 2023 by Bjoern in Enterprise Software, Software

Testing with Spring, AOT, GraalVM, and JUnit 5 by Sam Brannen @ Spring I/O 2023

Sunday September 10th, 2023 by Bjoern in Enterprise Software, Software

Tiny, but Useful Spring Boot-related Tool: YAML to Properties Converter

Amongst other options, Spring Boot allows application developers to work with both "traditional" Java-style flat application.properties and hierarchical application.yml (or application.yaml, for that matter) YAML configuration files for providing applications with externalised configuration. Occasionally, for example when migrating from flat properties files to YAML ones (in order to avoid repetition of property keys), the need might arise to convert one of of those formats to the other. To help with that and to avoid tedious - and error-prone - manual work, there's Yaml ...

Sunday August 20th, 2023 by Bjoern in Enterprise Software, Software