A few sprints ago my team and I decided to invest heavily in Domain Driven Desing. We already started to develop the new microservices in a DDD fashion, with our domain as the central component. However, we wanted to formalize it and move the old microservices to this new paradigm. During this period we used … Continue reading Learning DDD as a team
The first conference that I attend since we arrived in The Netherlands was the TechDays NL 2017. The conference is sponsored by Microsoft, and it's one of the most significant tech events in the Benelux area. However, even being sponsored by Microsoft, other streams of the industry were present, showing that Microsoft is no longer … Continue reading TechDays NL 2017
Last week we had our annual Hackathon, my first at Coolblue. Here we are taken to a remote location for 3 days to hack away. I joined a team who wants to build an application to measure the happiness in Coolblue. Wait, measure happiness? How? It's a straightforward concept: after a meeting, the participants click … Continue reading My first Coolblue Hackathon. How to be hacked
Here at Coolblue, we can choose our tools from a range of technologies. A while ago, our team started moving from Microsoft MSTest to xUnit. Although the code change was fairly simple, the build pipeline was tied with the MSTest framework, ignoring the xUnit tests. Between the requests to the deployment team to alter the … Continue reading Abstract from your CI. Use Cake!
During my career, I learned on the hardest way how a poor codebase can be harmful to the business. I witness behaviours in teams such as: Missing code reviews. How can we be a team, if we do not communicate? No coding standards. At least settle the capitalisation style? Testing. Wait, spending time writing tests? Luckily, I also worked … Continue reading NDepend, first impressions on a static code analyser
AppVeyor is one of the Continuous Integration Services in the cloud, ready to use, with minimal configuration. It provides a Windows Server image with tooling to build, test and deploy ours .NET applications. Among the baseline software is .NET Core, however, the version is 1.0.4 (at the time of writing this post). If we are playing … Continue reading Build a .NET Core 2.0 Application in AppVeyor
Docker is one of the disruptive technologies within virtualization, allowing the different containers to run on the same machine, sharing resources, reducing the overhead. The technology allows DevOps teams to have another tool to develop, build and ship software. One use case for containers is the Microservices Architecture Pattern. Background DockerHub is the image repository … Continue reading Create and Push a Docker Image from an Octopus Deployment