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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.

Harnessing Amazon’s DynamoDB with Spring by Iuliana Cosmina @ Spring I/O 2022

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Stratospheric: 1-Year Anniversary Sale and Release 1.8

It’s been exactly one year since we have released version 1.0 of the Stratospheric book. The book already has 900 readers on Leanpub. Let’s make it 1,000 this month! We want to celebrate the anniversary with you by releasing version 1.8 of the book and doing an anniversary sale. You can read more about the new release in this blog post on the Stratospheric website. Read more

New Stratospheric Blog Post on Faster Amazon ECS Container Deployments

This week, we published a new Stratospheric blog post on how we achieved faster Amazon ECS Container deployments. So, if you're running containerized applications on AWS you might want to check this out. While that specific example uses the AWS CDK in its Java incarnation the general ideas and settings are generally applicable and therefore should easily translate to other languages and environments, too. Read more

Stratospheric Online Course: Early-Bird Offer

Earlier his week, we finally released the first iteration of the Stratospheric Online Course - a companion course to our ebook "Stratospheric - From Zero to Production with Spring Boot and AWS"! Having just returned from Spring I/O 2022 in Barcelona - where, incidentally, the authors of Stratospheric met in person for the first time - I can say there are quite a few exciting things in store for Spring Boot and Spring in the near future, particularly when it comes to ... Read more

Self-Publishing a Book With (Almost) Complete Strangers: A Recap of Our Writing Process for Stratospheric

This week, Philip Riecks - one of the co-authors with whom I wrote Stratospheric - From Zero to Production with Spring Boot and AWS - published this article about our writing process for that ebook on his new blog about subjects such as freelancing, motivation, indie hacking, or productivity: Self-Publishing a Book With (Almost) Complete Strangers This highly detailed documentation of our writing process not only describes how we went about writing, publishing, and marketing Stratospheric but also gives a slew of suggestions, ... Read more

Stratospheric – 1.6 Released: AWS CDK Bootstrapping 🏗

This week, we released version 1.6 of Stratospheric - From Zero to Production with Spring Boot and AWS. The main reason behind this release is that we somehow entirely missed talking about an important topic: Bootstrapping an AWS environment for the AWS CDK. You may have already run into this issue when trying to deploy one of our AWS CDK stacks: Has the environment been bootstrapped? Please run 'cdk bootstrap' We've now added a dedicated section on the AWS environment bootstrapping and explained the why ... Read more

Stratospheric – 1.4 Released: Migration to AWS CDK v2 🏗

On Tuesday this week, we released another update of Stratospheric - From Zero to Production with Spring Boot and AWS, which includes these changes and updates: The AWS CDK (Cloud Development Kit) project, which we use to manage and deploy our AWS infrastructure, moves fast. Last year in December, AWS announced that the CDK v2 is now generally available. As one of our main goals for Stratospheric is to stay up-to-date with the latest tools and frameworks, we took the effort to update ... Read more

Stratospheric – 1.3 Released: 🔒SSL Setup Made Easy

After a minor update last month, which was largely about migrating to Spring Cloud AWS 2.3.2 and various configuration improvements, Tuesday we released a major update of Stratospheric - From Zero to Production with Spring Boot and AWS! Apart from general housekeeping efforts, revision 1.3 of the ebook contains these major improvements: A consistent SSL and (optional) custom domain setup: The previous order in which we introduced various infrastructure components caused problems with duplicate HTTP listeners in our ELB configuration and an SSL ... Read more

Stratospheric – Version 1.1 Released

Last week, we released the first update of "Stratospheric - From Zero to Production with Spring Boot and AWS" after our 1.0 release in August. Thanks a lot to GitHub users anthony-be, skhurram, alrawas, mygordienko, and lealceldeiro, who contributed to our sample Todo app by creating issues and pull requests. The code changes resulting from these contributions in turn are reflected in our latest update for the eBook, in which we clarified some aspects about scaling out / sticky sessions and added a ... Read more

Guest Post on the AWS Open Source Blog: Using PostgreSQL with Spring Boot on AWS

Last week, another two-part article by Tom Hombergs, Philip Riecks, and me was published on the AWS Open Source Blog. Thanks a lot to Ricardo Sueiras for making this possible. This time around we wrote about how to use a PostgreSQL database with Amazon RDS and Spring Boot: Using PostgreSQL with Spring Boot on AWS — Part 1 Using PostgreSQL with Spring Boot on AWS — Part 2 These articles draw upon the chapter Connecting to a Database with Amazon RDS from our eBook Stratospheric ... Read more
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