We will take a look at app-state management and why we should treat the (UI) state as an extension of our 'always-valid' domain. Furthermore, we will see how we can use the existing Mediator infrastructure to publish and consume states anywhere within our app in a threadsafe manner.

How Resolute can work with custom defined exception types for various quality of life features like dropping sensitive information and localization.

Discussing my choice of api framework for this template and showing how our layered approach helps with testability.

An attempt to reduce repetitive object construction, resultet in more type safety for Python...

We will see how our new package for chaining Result type and Domain Validation protects us against corrupted records.

A comparison between the packages Substitute3 and Mock for testing with focus on layered architecture.

We will look how type guards brought some quality of life improvements to working within the IDE. Then we will have a look at the Result pattern in action.