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Federation with .NET (C#) & Hot Chocolate
Learn about the federated graph architecture, creating subgraphs, entities, and directives. We'll build a supergraph with .NET (C#) and Hot Chocolate.
Details
- Updated May 15, 2025
- 12 lessons
What you'll learn
The architecture of a supergraph (subgraphs and the router) and Apollo Federation 2
Create a supergraph with a self-hosted router in GraphOS
Create entities
Explore GraphOS graph insights and schema delivery
Use the
@externaland@requiresGraphQL schema directivesUse the Rover CLI to publish subgraphs, run schema checks and facilitate local development
Prerequisites
- Basic programming knowledge using C# and .NET
- Basic knowledge of building a GraphQL server using Hot Chocolate
Instructor
MM
Michelle Mabuyo
Lesson List
- Intro to federation
- Managed federation with GraphOS
- A Hot Chocolate subgraph
- Publishing to the registry
- Router configuration & insights
- Adding a subgraph
- Local development with rover dev
- Entities and the query plan
- Contributing fields to an entity
- Using the @requires and @external directives
- Schema checks
- Publishing schema changes
This tutorial includes
- tasks
- multiple choice questions
- fill in the blank activities
- code challenges
- videos