Check out the videos:
Part 1/3 - https://youtu.be/1u8GlfKyB_Q
Part 2/3 - https://youtu.be/tgLqnYSTZw4
Part 3/3 - https://youtu.be/-HsldaBdIP
ERRATA
If you're looking for an easy-to-use, open-source, and completely free auth server, check out my project at https://goiabada.dev/.