Introduction to GraphQL & Serverless
- 1. Introduction to GraphQL & Serverless Elijah Astley Cloud Architect, API Talent - Serverless Auckland Tuesday, 20 March 2018 AKL
- 2. What is GraphQL? AKLTuesday, 20 March 2018
- 3. Graph Databases @cloud_elijah https://www.youtube.com/watch?v=6o1Ezf6NZ_E - Serverless Auckland Volunteers? AKLTuesday, 20 March 2018
- 4. What is GraphQL? AKL GraphQL API GraphQL Client(s) Tuesday, 20 March 2018
- 5. What is GraphQL? GraphQL is a new philosophy for building APIs • It gives the client control • Cuts down on network bandwidth • Predictable results • Multiple data sources AKLTuesday, 20 March 2018
- 6. • Developed by Facebook in 2012 • Released to public in 2015 (OWFa) • Technically still a working draft • https://github.com/facebook/graphql History AKLTuesday, 20 March 2018
- 7. Definitions - Schema AKLTuesday, 20 March 2018
- 8. Definitions - Query AKLTuesday, 20 March 2018
- 9. Definitions - Mutation AKLTuesday, 20 March 2018
- 10. Definitions - Subscription AKLTuesday, 20 March 2018
- 11. GraphQL high level arch diagram AKLTuesday, 20 March 2018
- 12. So how does GraphQL compare to REST? AKL https://www.apollographql.com/ Tuesday, 20 March 2018
- 13. Example with REST AKL GET /people/1 GET /films/2 Etc. https://swapi.co/ Tuesday, 20 March 2018
- 14. Same example with GraphQL AKLTuesday, 20 March 2018
- 15. How do they compare? AKL PROS {REST} • Human readable queries • Easy to deal with multiple data sources • Single roundtrip • Adapts to different client requirements • Self documenting • Mature technology • Lots of resources and conventions • Client support • Established patterns for auth/validation • Great for simple applications CONS • Design patterns are still being established • Caching is not trivial • Unfamiliarity • Multiple round trips • Custom endpoints • Documentation Tuesday, 20 March 2018
- 16. What is GraphQL good for ? AKL Single Uniform API Decoupled from DB Schemas Re-wrapping REST Tuesday, 20 March 2018
- 17. What is GraphQL good for ? AKL Typical GraphQL Developer Tuesday, 20 March 2018
- 18. GraphQL Pitfalls • Query Indefinite Depth • Caching at a Network level • Resource exhaustion • File uploads AKLTuesday, 20 March 2018
- 19. Serverless GraphQL AKLTuesday, 20 March 2018 Example with a server
- 20. Serverless GraphQL AKLTuesday, 20 March 2018
- 21. AWS Appsync The AWS Way AKLTuesday, 20 March 2018
- 22. The AWS way - Features AKL • Conflict detection & resolution • Real-time subscriptions with the SDK • Elasticsearch • DynamoDB • Lambda Queries Mutations Subscriptions Tuesday, 20 March 2018
- 23. The AWS way - Auth AKL API Keys IAM Permissions Cognito User Pools Tuesday, 20 March 2018
- 24. Lets setup an AppSync endpoint AKLTuesday, 20 March 2018
- 25. Who is using GraphQL AKLTuesday, 20 March 2018
- 26. Who is using AppSync AKLTuesday, 20 March 2018
- 27. Resources AKLTuesday, 20 March 2018 Helpful Tech & Repos • https://github.com/facebook/graphql/ • https://www.apollographql.com/ & https://github.com/apollographql • http://graphql.org/code/ eBooks • GraphQL API Design by Matthias Biehl (https://api-university.com/books/graphql-api-design/) Blogs • https://hackernoon.com/running-a-scalable-reliable-graphql-endpoint-with-serverless-24c3bb5acb43 • https://docs.aws.amazon.com/appsync/latest/devguide/building-a-client-app.html • https://blog.graph.cool/how-to-wrap-a-rest-api-with-graphql-8bf3fb17547d • https://serverless.com/blog/make-serverless-graphql-api-using-lambda-dynamodb/ • https://labs.getninjas.com.br/pain-points-of-graphql-7e83ba5ddef7 @cloud_elijah /in/elijahastley/