Hello World Example

This is the simplest possible schema definition with a single entry point working against hard-coded values.

• Schema definition
• Simplest possible query
• Parameterise greeting query by name

Simple Blog Example

A simple schema definition with a variety of data types.

Hint: Try out the auto-complete of the queries and explore the documentation!

• Schema definition
• Fetch an article by ID with nested author name and picture
• Fetch a blog feed and an article in one query

Simple Ecto Example

A variant of the Hello World schema definition using an Ecto-driven PostgreSQL datastore.

• Schema definition
• Greet a person fetched by ID
• Greet a person fetched by name

Star Wars Example

A more complex schema containing Enum types and Interfaces. Data is stored in memory.

Note the use of type introspection using the `__typename` field.

• Schema definition
• Fetch the hero of Star Wars
• Fetch the hero of a specific film (with nested friends of friends)

Resources

• GraphQL Plug Hex Package
• GraphQL Plug Docs
• GraphQL Plug Source
• GraphQL Core Hex Package
• GraphQL Core Docs
• GraphQL Core Source
• GraphQL Spec

Help

• Erlang channel on the GraphQL Slack