- Principled GraphQL - best practices and principles from the Apollo team.
- How To GraphQL - Lots of resources to learn GraphQL, including tutorials for various backend and frontend stacks.
- Introduction to GraphQL
- Awesome GraphQL - list of GraphQL resources
- Designing a GraphQL API - the public version of the GraphQL API design tutorial used at Shopify.
- GraphQL Mutation Design: Anemic Mutations: a great article on mutation design by Marc-André Giroux.
Interfaces and unions:
- How To GraphQL -
graphql-rubytutorial - Walkthrough of using GraphQL in a Rails app.
- Authentication in Relay Applications using Rails and GraphQL