Blog Posts

Commands and events are two common types of messages used in distributed application architectures, including microservice designs. Sometimes message formats need to be updated. Which party in the communication is …

In Domain-Driven Design, Aggregates are groups of objects that are persisted as a unit, with the root object being responsible for ensuring the validity of the entire aggregate. But how should this responsibility …

Everybody in the software development industry understands that learning is important if you wish to stay relevant over the long term. But how do you do it?

If you're not already practicing continuous deployment, odds are your team and company would benefit from more frequent deployments.

It's often useful to include diagrams in GitHub documentation and README files. GitHub now natively supports the Mermaid diagram syntax, and will render the diagrams inline when markdown files include the syntax are …

When designing web APIs, it's important to think about how the data being passed to and from the endpoint will be structured. How important is reuse in these considerations, and how much reuse can you get away with …

SSH keys provide an alternate way to authenticate with many services like GitHub. Creating them on Windows is simple using Windows Subsystem for Linux (WSL).

Guard Clauses provide an elegant way to ensure code inputs are valid, typically by throwing exceptions. Validation provides a solution to a similar problem, typically without the use of exceptions. When does it make …

Using DateTime for entity properties and database fields is ubiquitous, but if you really care about the time portion of the value, it's often ambiguous. What time zone is the date in? Is it stored as UTC? From …

When teaching DDD, I often use DateTime as a good example of a value object. This article details some of the lessons one can learn from this common.NET data structure.