Building and deploying GraphQL Servers with AWS Lambda and Prisma I AWS Dev Day 2018
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{
“posts”: [{
“id”: “ncwon3ce89hs”
“title”: “Learn GraphQL today”,
“content”: “Lorem ipsum … ”,
“comments”: [ … ],
}, {
“id”: “dsifr3as0vds”
“title”: “React & GraphQL - A declarative love story”,
“content”: “Lorem ipsum … ”,
“comments”: [ … ],
}, {
“id”: “die5odnvls1o”
“title”: “Why GraphQL is better than REST”,
“content”: “Lorem ipsum … ”,
“comments”: [ … ],
}, {
“id”: “dovmdr3nvl8f”
“title”: “Relay vs Apollo - GraphQL clients”,
“content”: “Lorem ipsum … ”,
“comments”: [ … ],
}]
}
Mary
Mary’s posts:
Learn GraphQL Today
Why GraphQL is better than REST
React & GraphQL - A declarative
love story
Relay vs Apollo - GraphQL clients
Last three followers:
@nikolasburk](https://image.slidesharecdn.com/5-180424074040/85/Building-and-deploying-GraphQL-Servers-with-AWS-Lambda-and-Prisma-I-AWS-Dev-Day-2018-13-320.jpg)
![/users/<id>
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{
“followers”: [{
“id”: “leo83h2dojsu”
“name”: “John”,
“address”: { … },
“birthday”: “January 6, 1970”
},{
“id”: “die5odnvls1o”
“name”: “Alice”,
“address”: { … },
“birthday”: “May 1, 1989”
}{
“id”: “xsifr3as0vds”
“name”: “Sarah”,
“address”: { … },
“birthday”: “November 20, 1986”
}
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]
}
Mary
Mary’s posts:
Learn GraphQL Today
Why GraphQL is better than REST
React & GraphQL - A declarative
love story
Relay vs Apollo - GraphQL clients
Last three followers:
John, Alice, Sarah
Fetch followers3
@nikolasburk](https://image.slidesharecdn.com/5-180424074040/85/Building-and-deploying-GraphQL-Servers-with-AWS-Lambda-and-Prisma-I-AWS-Dev-Day-2018-14-320.jpg)
![Mary’s posts:
Last three followers:
Mary
Learn GraphQL Today
Why GraphQL is better than REST
React & GraphQL - A declarative
love story
Relay vs Apollo - GraphQL clients
John, Alice, Sarah
Fetch everything with a single request1
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{
“data”: {
“User”: {
“name”: “Mary”,
“posts”: [
{ title: “Learn GraphQL today” },
{ title: “React & GraphQL - A declarative love story” }
{ title: “Why GraphQL is better than REST” }
{ title: “Relay vs Apollo - GraphQL Clients” }
],
“followers”: [
{ name: “John” },
{ name: “Alice” },
{ name: “Sarah” },
]
}
}
} @nikolasburk](https://image.slidesharecdn.com/5-180424074040/85/Building-and-deploying-GraphQL-Servers-with-AWS-Lambda-and-Prisma-I-AWS-Dev-Day-2018-17-320.jpg)
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Building and deploying GraphQL Servers with AWS Lambda and Prisma I AWS Dev Day 2018
- 2. Nikolas Burk 👋 Developer at Graphcool $ whoami @nikolasburk
- 3. Agenda 1. History & Motivation 2. GraphQL Introduction 3. GraphQL Server Development 4. Demo: Build & Deploy a GraphQL Server 5. Lessons learned
- 4. History & Motivation How did we get here? @nikolasburk
- 5. History INFRASTRUCTURE ARCHITECTURE API STANDARD Hardware/VPS Monolith HTML / SOAP Managed service Microservice REST Serverless Functions GraphQL
- 6. History INFRASTRUCTURE ARCHITECTURE API STANDARD Hardware/VPS Monolith HTML / SOAP Managed service Microservice REST Serverless Functions GraphQL
- 7. Benefits Microservice Architecture • Layer & component based • Faster development • Decoupled Serverless Infrastructure • Low/zero maintenance • Auto-scaling • Pay-as-you-go GraphQL API ⌛ @nikolasburk
- 8. GraphQL Introduction …and why developers ❤ it @nikolasburk
- 9. What’s GraphQL? • New API standard by Facebook • Query language for APIs • Declarative way of fetching & updating data @nikolasburk
- 10. Mary Mary’s posts: Learn GraphQL Today Why GraphQL is better than REST React & GraphQL - A declarative love story Relay vs Apollo - GraphQL clients Last three followers: John, Alice, Sarah Example: Blogging App
- 11. Example: Blogging App with REST /users/<id> /users/<id>/posts /users/<id>/followers 3 API endpoints @nikolasburk
- 12. 1 Fetch user data /users/<id>/users/<id> /users/<id>/posts /users/<id>/followers { “user”: { “id”: “er3tg439frjw” “name”: “Mary”, “address”: { … }, “birthday”: “July 26, 1982” } } HTTP GET Mary Mary’s posts: Last three followers: @nikolasburk
- 13. 2 /users/<id> /users/<id>/posts /users/<id>/followers Fetch posts HTTP GET { “posts”: [{ “id”: “ncwon3ce89hs” “title”: “Learn GraphQL today”, “content”: “Lorem ipsum … ”, “comments”: [ … ], }, { “id”: “dsifr3as0vds” “title”: “React & GraphQL - A declarative love story”, “content”: “Lorem ipsum … ”, “comments”: [ … ], }, { “id”: “die5odnvls1o” “title”: “Why GraphQL is better than REST”, “content”: “Lorem ipsum … ”, “comments”: [ … ], }, { “id”: “dovmdr3nvl8f” “title”: “Relay vs Apollo - GraphQL clients”, “content”: “Lorem ipsum … ”, “comments”: [ … ], }] } Mary Mary’s posts: Learn GraphQL Today Why GraphQL is better than REST React & GraphQL - A declarative love story Relay vs Apollo - GraphQL clients Last three followers: @nikolasburk
- 14. /users/<id> /users/<id>/posts /users/<id>/followers HTTP GET { “followers”: [{ “id”: “leo83h2dojsu” “name”: “John”, “address”: { … }, “birthday”: “January 6, 1970” },{ “id”: “die5odnvls1o” “name”: “Alice”, “address”: { … }, “birthday”: “May 1, 1989” }{ “id”: “xsifr3as0vds” “name”: “Sarah”, “address”: { … }, “birthday”: “November 20, 1986” } … ] } Mary Mary’s posts: Learn GraphQL Today Why GraphQL is better than REST React & GraphQL - A declarative love story Relay vs Apollo - GraphQL clients Last three followers: John, Alice, Sarah Fetch followers3 @nikolasburk
- 15. 1 API endpoint Example: Blogging App with GraphQL @nikolasburk
- 16. Mary’s posts: Last three followers: Fetch everything with a single request1 HTTP POST query { User(id: “er3tg439frjw”) { name posts { title } followers(last: 3) { name } } } @nikolasburk
- 17. Mary’s posts: Last three followers: Mary Learn GraphQL Today Why GraphQL is better than REST React & GraphQL - A declarative love story Relay vs Apollo - GraphQL clients John, Alice, Sarah Fetch everything with a single request1 HTTP POST { “data”: { “User”: { “name”: “Mary”, “posts”: [ { title: “Learn GraphQL today” }, { title: “React & GraphQL - A declarative love story” } { title: “Why GraphQL is better than REST” } { title: “Relay vs Apollo - GraphQL Clients” } ], “followers”: [ { name: “John” }, { name: “Alice” }, { name: “Sarah” }, ] } } } @nikolasburk
- 18. GraphQL Server Development Core concepts & Best practices @nikolasburk
- 19. 3 parts of a GraphQL server 1. Structure: The GraphQL schema 2. Behaviour: Resolver functions 3. Network Layer: Network, Middleware, …
- 20. 1) The GraphQL Schema • Strongly typed & written in GraphQL Schema Definition Language (SDL) • Defines API capabilities ( = contract for client-server communication) • Special root types: Query, Mutation, Subscription @nikolasburk
- 21. Example: Hello World SCHEMA @nikolasburk SERVER RESPONSEQUERY
- 22. Example: CRUD for User type @nikolasburk
- 23. 2) Resolver functions • Concrete implementation of the API • One resolver function per field in SDL schema • Query execution: Invoke resolvers for all fields in query @nikolasburk
- 25. Example: CRUD for User type @nikolasburk
- 26. 3) Network Layer • Based on `graphql-yoga` • Network configuration: port, endpoints, CORS, … • Middleware (analytics, logging, crash reporting,…) @nikolasburk
- 27. …putting it all together 1) SCHEMA 2) RESOLVERS 3) NETWORK LAYER
- 28. Demo 🔨 Building & Deploying a GraphQL server @nikolasburk
- 29. Learn more 💡 https://blog.graph.cool/6da86f346e68 How to build a GraphQL Server with `graphql-yoga` @nikolasburk https://blog.graph.cool/522f2b75a2ac Deploying GraphQL Servers with Apex Up
- 30. Lessons learned Building & Deploying a GraphQL server @nikolasburk
- 31. Lessons learned 👍 & 👎 @nikolasburk
- 32. Benefits and Limitations 👍 • Super fast & easy deployment • Awesome tools like Apex Up • Cost effective 👎 • Can’t handle realtime subscriptions • Alternative: AWS Fargate @nikolasburk
- 33. Thank you! 🙇 … any questions? @nikolasburk