If you have make installed, you can simply run $ make to build the binary.
Execute $ ./build/undeck serve to start the server.
The application server listens on port 1337 and thus requires it to be free.
Execute $ go test ./... to run automated tests provided.
The file requests.http contains some sample http requests which can be run using the appropriate software, e.g. REST Client for Visual Studio Code or the built-in utility in JetBrains IDEs.
Note: The ids in the urls need to be changed because they are auto-generated uuids.