Possible server libraries

• https://ariadnegraphql.org/
• https://graphene-python.org/
• https://github.com/tartiflette/tartiflette
• https://github.com/strawberry-graphql/strawberry

Ariadne provides a schema first approach with an easy API. Well documented.
Graphene is a code first approach, more like an ORM.

The initial implementation is using Ariadne.
https://forge.softwareheritage.org/source/swh-graphql/repository/master/

Decided to use Ariadne