---
title: "Deploy C# HotChocolate Subgraph (Annotation)"
description: "A HotChocolate C# GraphQL server with support for Apollo Federation"
category: "Starters"
url: https://railway.com/deploy/cJcDcc
---

# Deploy C# HotChocolate Subgraph (Annotation)

A HotChocolate C# GraphQL server with support for Apollo Federation

**[Deploy C# HotChocolate Subgraph (Annotation) on Railway](https://railway.com/template/cJcDcc)**

- **Creator:** michael-watson's Projects
- **Category:** Starters
- **Total deploys:** 38

## Template content

### csharp-subgraph

- **Source:** https://github.com/apollographql/subgraph-csharp-hotchocolate-annotation
- **Public domain:** Yes

## Documentation

The fastest way to deploy a C# HotChocolate GraphQL server! This template is federation-compatible, so you can use this to add C# to an existing graph in just a few minutes.

Includes GitHub Actions for integrating with Apollo GraphOS, enabling:

- Checks for breaking changes
- Detect composition errors
- Update your router or gateway automatically

This template is maintained by Apollo, so it will be kept up to date and always recommends best practices.

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Open this page in a browser: https://railway.com/deploy/cJcDcc