software, simply
How to do rate limiting with Istio on Kubernetes a per user basis, using OpenID Connect to identify it. Read more...
Slides for the "Habits of efficient developers" talk at WeAreDevelopers 2018 Read more...
Is it urgent? Read more...
Proof of concept for compliance with GDPR on an Event Sourcing architecture built with Apache Kafka. Read more...
Implementation details for a proof of concept for compliance with GDPR on an Event Sourcing architecture built with Apache Kafka. Read more...
On how to design KafkaStream applications in terms of the actor model. Read more...
Using production data to automatically generate Avro schemas, using Spec-Provider. Read more...
Software installation instructions sometimes look like IKEA assembly instructions and are as difficult to follow as those. Read more...
An efficient team needs to have an easy way of setting up a development environment. This is a detailed example of how to do it. Read more...
An open source tools to find endpoints in a microservice architecture. Read more...
Setting up or upgrading a developer environment should be an easy and repeatable process. Docker Compose is the tool to achieve it. Read more...
Video from my presentation on Devoxx PL 2017 on stability patterns Read more...
The shoemaker's son always go barefoot. Read more...
A professional developer should look professional while using his main tool. Read more...
How to become X times more efficient in one simple step. Read more...
New features always trump technical work. Can we objectively measure and decide when they should not? Read more...
Concurrency in Clojure is easy peasy, unless you have to deal with side effects. But atoms and delays can still help us. Let's look at an idiom for resource management. Read more...
When talking about Clojure's concurrency primitives, we often forget "delay". Let's see how it can help us. Read more...
What is more important testing or monitoring? Should you optimize for mean time between failures (MTBF) or mean time to repair (MTTR)? Read more...
Clojure has a lot of important and unique lessons to teach, but which one is the most important? Read more...
Video from my presentation on Devoxx UK 2017 on Docker, resilience and property based testing Read more...
Exploring different options in Kafka Streams to join KTables, both with and without shared keys. Read more...
Instead of drawing UML diagrams, why not generate them from a network traffic capture of the running system? Read more...
Kerberos is a single sign on authentication protocol, we will try to explain how it works with some hopefully simple diagrams. Read more...
Implementation details from a proof of concept using Kafka Streams and KTables using Clojure and Docker Read more...
Exploring how to use KafkaStreams and KTables for building a stateful stream processing application Read more...
The reasons to use Java and Clojure are the same Read more...
Video from my presentation on EuroClojure 2016 Read more...
How can we apply the fable "The boy who cried wolf" to our development? Read more...
Slides from my presentation on EuroClojure 2016 Read more...
Unit testing is just another practice, and as such it has its benefits and its costs. How do you know that your test suite is paying off? Read more...
Video from my presentation on Voxxed Days Belgrade 2016 on why and how to do REPL Driven Development Read more...
The more advanced the type system, the less bugs that we should have. Read more...
TDD and BDD are very good practices, but what are the costs enforcing them? Read more...
No more DEBUG/INFO/WARN/ERROR log level. Read more...
For a long time I thought lines of code was a bogus metric, but after working in both Java and Clojure, I have changed my mind. Read more...