Description

GraphQL Server Deep Dive dives into the basic parts of a GraphQL server implementation. It provides examples of a few tools and conventions that are important for teams to be aware of when building complex GraphQL APIs.

The Building Blocks of a GraphQL API

• Schema - A type system defined for your data. This acts as a contract for a type system defined for your data. This represents a contract of what information is exposed to the API consumer.
• Resolvers - A set of functions defined for each type. These functions are called when types are requested and validated against the schema.

Managing Complex Schemas

1. A dive into SDL-first and Code-first development.

• SDL-first example
• Code-first example with GraphQL Nexus

2. A quick look at how to manage a microservice or service oriented architecture

• Schema Stitching
• Apollo Federation example

Execution

Provided by the folks at Thoughtbot, this diagram explains the lifecycle of a GraphQL request and server response.

Getting started

1. Change index.ts file to point at your preferred schema object. Comment out other schema imports or comment out apolloServer and uncomment gateway to explore Schema Federation

2. Run yarn && yarn start in root

3. Go to http://localhost:4000 to query Playground

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