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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.

Push Notifications with Amazon MQ – Sample From “Stratospheric – From Zero to Production with Spring Boot and AWS”

The following is an excerpt from the chapter on "Push Notifications with Amazon MQ" from the eBook "Stratospheric – From Zero to Production with Spring Boot and AWS" I'm currently writing together with Tom Hombergs and Philip Riecks. You can get the eBook over at Leanpub. Push Notifications With Amazon MQ As discussed in the chapter "Sharing Todos with SQS and SES" we might want to share our Todos with others. Being able to share Todos is already quite helpful for working on tasks ... Read more

Stratospheric – Almost in Orbit: Three More Chapters Available

Last week, we released the fourth version of of our eBook "Stratospheric - From Zero to Production with Spring Boot and AWS"! Again, about two months have passed since the last release in February 2021. We hope that you like the new content we've been working on during that time. These are the new chapters you'll get with the latest update: ​ Building a Continuous Deployment Pipeline: Software delivery performance is highly correlated with organizational performance, so we'll want to deploy often. That means ... Read more

Stratospheric – Three New Chapters!

Last week, we released the 3rd iteration of our eBook Stratospheric - From Zero to Production with Spring Boot and AWS. Roughly two months have passed since the last release in December 2020. We hope that we've made good use of this time by adding a few more chapters, as well as by improving and "refactoring" some of the already existing content. ​ The latest release contains these new chapters: Designing a Deployment Project with CDK: Building upon our First Steps with CDK we'll go ... Read more

Managing Permissions with IAM – Sample From “Stratospheric – From Zero to Production with Spring Boot and AWS”

The following is an excerpt from the chapter on "Managing Permissions with IAM" from the eBook "Stratospheric – From Zero to Production with Spring Boot and AWS" I'm currently writing together with Tom Hombergs and Philip Riecks. You can get the eBook over at Leanpub. Managing Permissions with IAM When deploying applications to a cloud service such as AWS, reliable security concepts are key. After all, we not only want to protect our users' data but also make sure that security within our organization ... Read more

Second Version of Stratospheric – From Zero to Production with Spring Boot and AWS

Two weeks ago, we released the second version of our eBook "Stratospheric - From Zero to Production with Spring Boot and AWS". This release contains these new chapters on IAM, local development, and automated deployments: ​ Managing Permissions with IAM - this chapter gives an overview of the concepts we can use with AWS in order to secure our resources and to authorize both individuals and applications to access them. Local Development Setup - this chapter explains how we can develop our cloud-based Todo application ... Read more

Using Maven Failsafe With Spring Boot

Maven Failsafe is a Maven plugin designed to be used in conjunction with the Maven Surefire Plugin. While the former plugin is intended for running integration tests the latter's purpose is to run unit tests. These plugins are tremendously useful for partitioning tests in Maven-based Java applications in order to make tests and builds run faster. When recently using Maven Failsafe with a Spring Boot application, though, I encountered a somewhat gnarly problem. Running mvn verify caused this error for all of the ... Read more

Stratospheric – eBook Released Today

Today is the day! ​ We released the first version of our eBook "Stratospheric - From Zero to Production with Spring Boot and AWS". ​ This version contains the following chapters: The Sample Todo Application: The first chapter describes the "The Sample Todo Application" we created as an example for introducing various AWS features, techniques, and best practices. Getting Warm With AWS: After setting up to work with AWS, you'll deploy your first Spring Boot application. No previous AWS knowledge needed! An Overview of AWS Services: This chapter ... Read more

API-First Development with Spring Boot and Swagger at Reflectoring

When I recently had to look into some of the specifics of using Swagger and OpenAPI for designing an API specification and generating a Spring Boot application skeleton from that specification (using OpenAPI Generator) I came across this very useful and comprehensive article on the subject on the Reflectoring blog: API-First Development with Spring Boot and Swagger From creating an API specification with the Swagger editor to generating code (with the OpenAPI Generator Maven plugin, specifically) and implementing the generated interfaces the article ... Read more

Testing Spring Boot Applications Masterclass by Philip Riecks

From crafting new software to refactoring existing applications automated testing is an essential part of professional software development and pivotal to high quality software. Philip Riecks (one of the other authors of our upcoming eBook Stratospheric - From Zero to Production with Spring Boot and AWS) offers the - aptly named - Testing Spring Boot Applications Masterclass, a comprehensive, in-depth online course on testing Spring Boot Applications. Currently (as of September 2020), the course consists of more than 90 videos (six hours in ... Read more

A New Name for Our Upcoming Ebook: Stratospheric – From Zero to Production with Spring Boot and AWS

A few weeks ago I announced that together with fellow software developers and tech bloggers Tom Hombergs and Philip Riecks I have been working on a new project called AWS 101 for a few months now. To recap, the basic idea behind that project is to provide software developers and businesses with basic templates, recipes, building blocks, and overall best practices for developing, deploying, and running a Spring Boot application on Amazon Web Services (AWS). Since the "AWS 101" moniker was a bit ... Read more
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