GraphQL

Internal Lightning Talk @ Redgate, Cambridge, UK

Transcript

1. GraphQL TUGBERK UGURLU
2. https://flic.kr/p/7ZJ5Aa
3. GraphQL is a query language for your API, and a server-side runtime for executing queries by using a type system you define for your data. (http://graphql.org/learn/)
4. WHAT PROBLEMS DOES IT ADDRESS? Strongly Typed Describe what’s possible with a type system Declarative Ask for what you need, get exactly that Compositional Get many resources in a single request
5. WHO’S USING GRAPHQL? http://graphql.org/users/
6. CHARACTERISTICS Query has exactly the same shape as the result GraphQL operates on set of types in your schema
7. CHARACTERISTICS GraphQL services can be written in any language Introspection system allows you to ask for information about the schema
8. SHOW ME THE CODE! https://flic.kr/p/ec78kF
9. HELLO WORLD!
10. HELLO WORLD!
11. NULLABILITY http://graphql.org/learn/best-practices/#nullability
12. HELLO WORLD!
13. SERVER
14. CLIENT
15. GITHUB GRAPHQL API V4 https://developer.github.com/v4/
16. GITHUB GRAPHQL API V4
17. GITHUB GRAPHQL API V4
18. GITHUB GRAPHQL API V4
19. GRAPHIQL https://github.com/graphql/graphiql
20. SILVER BULLET? https://flic.kr/p/5UBU5r
21. A FEW PROBLEMS Authentication and Authorization You are on your own! HTTP Caching Cause by having a POST request with single endpoint Unpredictable Execution Freedom has its cost!
22. MUTATIONS It seems immature and enforces the RPC pattern. (http://graphql.org/learn/queries/#mutations)
23. BFF (BACKENDS FOR FRONTENDS) (http://samnewman.io/patterns/architectural/bff/)
24. ODATA? https://twitter.com/tourismgeek/status/904983421352644608
25. FURTHER RESOURCES https://flic.kr/p/4omoir
26. RFC SPEC http://facebook.github.io/graphql/ (Working draft, last updated IN 2016, Oct)
27. THINKING IN GRAPHS http://graphql.org/learn/thinking-in-graphs/
28. RELAY https://facebook.github.io/relay/
29. MORE LINKS • Home of GraphQL: http://graphql.org/ • Best Practices with GraphQL: http://graphql.org/learn/best-practices/ • Getting Started: http://graphql.org/graphql-js/ • Validation: http://graphql.org/learn/validation/ • Pagination: http://graphql.org/learn/pagination/