Learn to walk with Docker and PostgreSQL
After some years the virtualization tool Docker proofed it’s importance for the software industry. Usually when you hear something about virtualization you may could think this is something for DevOps or administrators and will not effect me as a developer as much. But wait. You’re might not right. Because having some basic knowledge about Docker as a developer will helps you in your daily business. Continue reading →
API 4 Future
APIs, or interface descriptions, are especially important in RESTful services. To keep the project well-structured from the very beginning, allowing it to grow organically while remaining maintainable, a few simple rules should be followed. This article describes them. Continue reading…
Tooltime: SCM-Manager
This article introduces a new tool for the DevOps CI /CD pipeline. The SCM-Manager can host Git, Subversion, and Mercurial repositories in one solution. Continue reading →
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jConf Peru 2021 [2]
Mission accomplished: deploy to Maven Central Many developers have ideas they work on it in their spare time. The most of us are convinced about open source and share their own projects on platforms like GitHub. But what happen after…
{j}DD Poland 2021
Refactoring Disasters: A Story how I failed For my small Open Source project TP-CORE, you can find it on GitHub, I had the gorgeous Idea to replace the iText library for OpenPDF. After I made a plan how I could…
BarCamp República Dominicana 2021
API4Future: A journey how to create a stable API By experience, enterprise applications have a long lifetime period. This is one oft the reasons why we need to pay a lot of attention for maintenance. But how we are able…
JConf Mexico 2020
Continuous Stupidities – did DevOps fail? Heavy motivation to automate everything, even the automation itself, is the common understanding of the most DevOps teams. A strong dominance of administrators in those teams (Operations), transform ideas of increasing the development process…
Version Number Anti-Patterns
After the gang of four (GOF) Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides published the book, Design Patterns: Elements of Reusable Object-Oriented Software, learning how to describe problems and solutions became popular in almost every field in software…
Non-Functional Requirements: Quality
To meet the definition of code quality, it’s not enough to focus solely on the source code. Structure, organization, and maintenance also play an important role. Continue reading →
Acceptance Tests in Java With JGiven
In a standard set-up for Java projects like NetBeans, Maven, and JUnit, it is not that difficult to produce your first test code. Besides, this approach is used in Test Driven Development (TDD) and exists in other technologies like Behavioral…
Docker Basics in less than 10 minutes
A short video introduction to Docker, a Linux-based container technology for virtualizing critical applications and infrastructure services. An essential tool for developers, DevOps, and system administrators. Continue reading →
The new Java Release Cycle
When Oracle in 2017 introduced the new release cycle for Java I started to have a look for options. One of the options I can recommend is Java OpenJdk. Check in this post why I’m not agree with the new…
Apache License 2.0
Apache LicenseVersion 2.0, January 2004http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. “License” shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. “Licensor” shall mean…