my blog. for you.

Let’s talk digital.

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.

Stratospheric 1.10 Release 🚀

This week, we published another update to Stratospheric - From Zero to Production with Spring Boot and AWS. This time it’s a pretty big one, as we’ve migrated the Stratospheric sample Todo application to Spring Boot 3.0 and Spring Cloud 3.0. The release of Spring Boot 3.0 marks a new era of developing applications with the Spring Framework. 4.5 years after the release of Spring Boot 2.0, we’re now looking into a bright future and can make the most of Spring Framework 6, ...

Sunday February 26th, 2023 by Bjoern in Business, Enterprise Software, Software, Web Applications

Stratospheric Online Course Early-Bird Batch #4

This week, we've released another iteration of the Stratospheric online course. With that release, we've closed our early-bird batch #3 and opened the penultimate batch. The new videos at a glance: Part I: Deploying with AWS Deploying a Network Stack with CDK Deploying a Service Stack with CDK Part II: Spring Boot & AWS Sharing Todos with Amazon SQS and Amazon SES You can find further information about the early-bird program on our website. If you want to get a feel for the course check out the sample video ...

Sunday January 29th, 2023 by Bjoern in Enterprise Software, Software, Web Applications

Spring Boot 3.0 Migration Guide

With Spring Boot 3 having been released two weeks ago, I'd like to explicitly mention the Spring Boot 3.0 migration guide again (also for personal reference and documentation purposes). While migrating to Spring Boot 3.0 in most cases will be a rather straightforward endeavour, it's good to always have clear and concise guidelines at hand to facilitate such an upgrade and to make the migration process more reliable and predictable.

Sunday December 11th, 2022 by Bjoern in Enterprise Software, Software

Spring Boot 3 Is Now Available

This week, with Spring Boot 3.0, the long awaited next iteration of Spring Boot has been released. With Spring Boot 3 having been 12 months in the making, GraalVM native image support, which among other aspects allows for much faster application startup times, probably has been the most highly anticipated feature of this next step for Spring Boot. Further new Spring Boot features comprise: a Java 17 baseline improved observability support for Jakarta EE 10 with an EE 9 baseline You can have a look at the ...

Sunday November 27th, 2022 by Bjoern in Enterprise Software, Software, Web Applications

A Curated List of Awesome Resources for the Spring Framework Ecosystem

Software engineer and author ("Cloud Native Spring in Action") Thomas Vitale has been curating this "list of awesome books, tutorials, courses, and resources for the Spring framework ecosystem" for two years now. That list contains mostly educational resources such as books, courses, and blogs as well as Spring-related podcasts.

Sunday November 13th, 2022 by Bjoern in Enterprise Software, Software

Stratospheric Online Course Early-Bird Batch #3

This week, we've published the next iteration of the Stratospheric online course. With that release, we've closed our early-bird batch #2 and opened the second to last batch. These are the new videos for this release: Part I: Deploying with AWS Getting Started with CDK CDK Best Practices Part II: Spring Boot & AWS Building User Registration and Login with Amazon Cognito Part I Building User Registration and Login with Amazon Cognito Part II Building User Registration and Login with Amazon Cognito Part III Part III: Production Readiness with AWS Creating ...

Sunday November 6th, 2022 by Bjoern in Enterprise Software, Software, Web Applications

Thoughts about layered architecture – Mapping efficiently with SQL by Tim Zöller @ Spring I/O 2022

Sunday October 30th, 2022 by Bjoern in Enterprise Software, Software

Spring Framework 6: Infrastructure Themes by Juergen Hoeller @ Spring I/O 2022

Sunday October 16th, 2022 by Bjoern in Enterprise Software, Software

Björn Wilmsmann

my blog. for you.

Let’s talk digital.