# Confluent Schema Registry

Confluent Schema Registry is a self-hosted tools & utilities app. Confluent Schema Registry provides a RESTful interface for storing and retrieving versioned Avro, JSON Schema, and Protobuf schemas, giving every service in your stack a single, consistent source of truth for message... It is open source and self-hosted, installable on Docker Hub and Kubernetes (Helm).

Canonical page: https://ourlocalhost.com/app/5331/confluent-schema-registry

## Description

Confluent Schema Registry provides a RESTful interface for storing and retrieving versioned Avro, JSON Schema, and Protobuf schemas, giving every service in your stack a single, consistent source of truth for message formats. This build adds an authentication layer that uses Amazon MSK credentials to keep schema traffic secure and authorised.

## Platform availability

Available on 1 of 9 platforms: Helm.

## Health score

73/100 (Good), based on 4 of 4 factors.
- Maintained: 100 (last commit 12 days ago)
- Popular: 68 (2,465 GitHub stars)
- Easy to install: 20 (1 install platform, Docker image)
- Light to run: 80 (1 GB minimum RAM, runs on ARM)

## Links

- GitHub: https://github.com/confluentinc/schema-registry
- Docker Hub: https://hub.docker.com/r/devopsiaci/cp-schema-registry
- Official website: https://docs.confluent.io/current/schema-registry/docs/index.html
- Kubernetes (Helm): https://artifacthub.io/packages/helm/cp-schema-registry/cp-schema-registry
- Documentation: https://docs.confluent.io/

## Common questions

### What port should I expose for cp-schema-registry's REST API?

The README examples use localhost port 8081 for registering subjects and listing schemas.

### Can Schema Registry authenticate clients without usernames and passwords?

Yes, Confluent Platform Schema Registry supports passwordless authentication, which lets authentication happen without traditional username and password credentials.

### What should I review before deploying cp-schema-registry directly to a production Kubernetes cluster?

The thread identifies Confluent's license and the bundled confluent-telemetry and confluent-security packages as the concern to consider.

### Can I use an older Community Edition Schema Registry image with an existing Kafka setup?

Yes, the Stack Overflow thread mentions using an older Community Edition schema registry image for compatibility with an existing Kafka setup.

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- registry

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Source: Our Local Host (https://ourlocalhost.com/app/5331/confluent-schema-registry), the self-hosted and open-source app directory.