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WunderGraph Cosmo - The GraphQL federation platform

Reach for the stars, ignite your cosmo!

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WunderGraph Cosmo is the On-Premise Platform for building, maintaining, and collaborating on GraphQL Federation. A drop-in replacement for Apollo GraphOS. The repository consists of the following components:

• CLI: The cosmo CLI tool wgc. Used to manage the cosmo platform e.g. pushing schema, check schemas, creating new projects, managing users, etc. It interacts with the control plane.
• Control Plane: The control plane is the central component of the cosmo platform. It consists of a platform API and a node API. The platform API is used by the cosmo CLI tool and the Studio to manage the platform.
• Router: The router is the component that understands the GraphQL Federation protocol. It is responsible for routing requests to the correct service and for aggregating the responses. It is in connection with the control plane to register itself for advanced fleet management.
• Studio: The studio is the web interface for the cosmo platform. It is used to manage the platform and to collaborate on GraphQL Federation. It is in connection with the control plane through the Platform API to manage the platform.

Migrate from Apollo GraphOS / Apollo Federation

We've made it super easy for you to migrate from Apollo by using our fully automatic Migration Assistant. Log into Cosmo Cloud, enter your Graph API Token and Graph variant, and the Assistant migrates over your Graph in just a few seconds. That's it, migrate over with a single click!

Getting Started

Prerequisites

• Docker
• Docker Compose

Running cosmo is as easy as running a single command:

make full-demo-up

It can take a few seconds (~30s) until all services are up and running. A seed container and few migrations are running in the background to bootstrap the platform. They might restart a few times until the database is ready. You can check the status of the services by running docker-compose -f docker-compose.full.yml ps.

2. Now, you can create a small demo project and start the router and subgraphs:

# Create the demo project
make create-cli-demo

# Copy the Router token from the previous log output
export ROUTER_TOKEN=...

# Start the subgraphs + router
make dc-federation-demo

3. Navigate to the Studio explorer and query the router. Login with the default credentials:

Username: [email protected]
Password: bar

Clean up all containers and volumes by running make full-demo-down.

Development

Prerequisites

• Docker
• Docker Compose
• NodeJS 18+
• PNPM 8+
• Go 1.20+

Bootstrapping your development environment is easy. Just run the following commands in order:

# 1️⃣ Setup the repository and start all services (Wait a few seconds until Keycloak is ready)
make

# 2️⃣ Run migrations and seed the database
make migrate && make seed

# 3️⃣ Start the control plane
make start-cp

# 4️⃣⃣ Create the demo and copy the JWT printed at the bottom
make create-demo

# 5️⃣ Start the subgraphs
OTEL_AUTH_TOKEN=<jwt-token> make dc-subgraphs-demo

# 6️⃣⃣ Put the JWT from the previous step into the router/.env as GRAPH_API_TOKEN and start the router
make start-router

# ✨ Finally, Start the studio (http://localhost:3000) and explore the Cosmo platform
make start-studio

Navigate to http://localhost:3000/ and login with the default credentials:

Username: [email protected]
Password: bar

Your API key to access the platform is: cosmo_669b576aaadc10ee1ae81d9193425705. Set the following environment variable to use it with the CLI:

export COSMO_API_KEY=cosmo_669b576aaadc10ee1ae81d9193425705
export COSMO_API_URL=http://localhost:3001

cd cli && pnpm wgc -h

All services work with environment variables. You can find the default values in the .env.example file. Please copy it to .env (Except studio which works with .env.local) and adjust the values to your needs.

Clean up all containers and volumes by running make infra-down-v.

Docker Compose

We manage multiple compose files:

• docker-compose.yml: The default compose file. It contains all services that are required to run the platform for development.
• docker-compose.full.yml: This compose file contains the full Cosmo platform. It is used for demo and testing.
• docker-compose.cosmo.yml: This compose file allows to build all cosmo components and manage them in a single compose file. It is used for testing and releasing.

Clean up a compose stack before starting another one!

On-Premise

Cosmo was designed to be deployed on-premise e.g. Kubernetes. We provide a helm chart to deploy the platform on any Kubernetes like AKS, GKE, AKS or Minikube. You can find the helm chart in the helm directory. If you need help with the deployment, please contact us here.

Managed Service

If you don't want to manage the platform yourself, you can use our managed service WunderGraph Cosmo Cloud. It is a fully managed platform that don't make you worry about infrastructure, so you can focus on building. The managed service is currently in private beta. If you want to participate, please contact us here. After contacting us, we will hook you up with a free trial and help you to get started.

License

Cosmo is licensed under the Apache License, Version 2.0.