Docker meets Continuous Deployment

About one year ago I had my first contact with Docker. This new kid on the block promised to relieve…

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Cohesion – The cornerstone of Software Design

Cohesion is one of the most important concepts in software design. Cohesion is at the core of the vast majority…

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Coupling in distributed systems

Coupling and cohesion are key quality indicators. We strive for systems highly cohesive and loosely coupled, but high doesn’t mean…

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Isolating integration tests and mocking dependencies with Spring Boot

Integration tests can be slow and unreliable because they depend on too many components in the system. Up to a…

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Premature Microservices

Building your app from the very start as microservices is not a great idea! Their deployment is complex – regardless…

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Clojure VIM Environment

The Cursive plugin for Clojure is now out of its beta testing phase. I have been using it throughout its…

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Testing multithreaded code in Java

Testing multithreaded code is a tough challenge. The first advice that you get when trying to test concurrency is to…

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Changing Scalatra and sbt default directories

Conventions are not always good. I recently started a new internal web project at Codurance and I decided to use…

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Tips for a friendly open source experience

Open source has moved from being an important actor in software development to being central for plenty of people, especially…

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