nuts-knooppunt

Implementation of the Nuts Knooppunt specifications.

Documentation

Demo EHR

A demonstration Electronic Health Record (EHR) application showcasing Dutch healthcare data exchange use cases including BGZ exchange and eOverdracht workflows.

See mock-components/demo-ehr/README.md for detailed documentation and setup instructions.

Endpoints

• Health check endpoint: http://localhost:8081/status
• mCSD Admin Application: http://localhost:8080/mcsdadmin
• mCSD Update Client force update: POST http://localhost:8081/mcsd/update
• NVI FHIR gateway endpoints:
  • Registration endpoint: POST http://localhost:8081/nvi/DocumentReference
  • Search endpoint:
    • POST http://localhost:8081/nvi/DocumentReference/_search
    • GET http://localhost:8081/nvi/DocumentReference
• Demo EHR Application: http://localhost:3000

Configuration

See docs/CONFIGURATION.md for configuration options and instructions.

Deployment

See docs/DEPLOYMENT.md for how to deploy the Knooppunt in your XIS/healthcare system.

Integration

See docs/INTEGRATION.md for how to integrate the Knooppunt in your local XIS/healthcare system.

API Reference

Browse it at https://nuts-foundation.github.io/nuts-knooppunt/docs/api/.

• openapi.yaml: status, PDP, NVI and MITZ subscription APIs (internal interface).
• mitz-public.openapi.yaml: the single public-interface endpoint (/mitz/notify), called by MITZ directly.

Architecture

See docs/ARCHITECTURE.md for an overview of the architecture and design of the Knooppunt (for Knooppunt developers).

Go toolchain

It’s a typical Go application, so:

go test ./...

and:

go build .
./nuts-knoopppunt

Development stack

For a complete overview of the deployment options, see docs/DEPLOYMENT.md.

A docker compose config is provided to run a set of services that are useful for development:

• Knooppunt - Main application running on ports 8080 (API) and 8081 (internal)
• HAPI FHIR Server - Multi-tenant FHIR R4 server with NVI support, running on port 7050
• Aspire Dashboard - Observability dashboard for traces, logs, and metrics on port 18888
• Demo EHR - Demo application (optional, use --profile demoehr)
• PEP (Policy Enforcement Point) - NGINX-based reference implementation (optional, use --profile pep)

Start the base stack with:

docker compose up --build

Start with demo-ehr:

docker compose --profile demoehr up --build

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