What is a good size for a microservice?
To be able to answer that we should start from a different question: what kind of problems we believe smaller/independently deployable codebases solve better than a monolithic codebase with a single deployment unit? I think there are two main problems microservices can help solving: runtime scaling iteration speed Depending …
Read moreBuilding modular apps using Spring
When looking at most of the sample applications and code examples for Spring framework it may seem that everything should be defined as a bean. However, if we want to achieve nicely modular design then we should try to do the exact opposite - have each module expose as little …
Read moreReducing your Webpack bundle
The last couple of months, my team at Transferwise, has been working to deliver a new feature on our product. We call this feature Money Tracker and helps TransferWise users to track their money better. I've been developing it for the web using Angular as an external component. As a …
Read morePull Requests that make code reviewers smile
Pull Requests (PR) are central to most software development organisations these days. Modern source control tools such as Github or Continuous Integration ones like CircleCI have helped a lot making them more accessible. Yet, it seems developers consider PRs mostly as something that you need get through to get your …
Read moreHibernate and Domain Model Design
When I first learned about Hibernate about 12 years ago (I guess just about when it was at its peak) I found it to be one of the coolest libraries ever created. Hibernate made it possible to use OOD in practice! Build complex domain model graphs that were not only …
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