Hacker News is a really nice example when learning a new technology. It's simple enough that you spend very little time explaining the domain but complex enough

Hacker News is a really nice example when learning a new technology. It's simple enough that you spend very little time explaining the domain but complex enough that you can demonstrate how to deal with some of the more thorny issues that the technology is designed to address. https://www.howtographql.com/ https://www.howtographql.com/ is a very comprehensive tutorial demonstrating how to use GraphQL with different frontend (Vue, Ember, React) and backend (js, java, elixir, python, ruby, graphcool) technologies. The end result is not as feature-complete as this entry though as the main focus is on learning the technologies.