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Docker Registry

Status

GitHub tag checks state REUSE status

Overview

The Docker Registry module provides a lightweight, open-source Docker registry for storing and distributing container images in the Kubernetes environment. You can use it in self-contained development clusters or testing environments, so you can test deployments in an isolated system.

Warning

Do not use Docker Registry in production clusters, where a full-fledged, highly-available, production-grade registry is necessary.

The Docker Registry module comes with a dedicated Kubernetes operator for effortless installation and upgrades. It manages the lifecycle of the Docker Registry resources according to the desired specification expressed through a dedicated Dockerregistry custom resource (CR). Read more about configuration options in the user documentation.

Install

  1. Create the kyma-system namespace:
kubectl create namespace kyma-system
  1. Apply the following script to install Docker Registry Operator:
kubectl apply -f https://github.com/kyma-project/docker-registry/releases/latest/download/dockerregistry-operator.yaml
  1. To get Docker Registry installed, apply the sample Docker Registry custom resource (CR):
kubectl apply -f https://github.com/kyma-project/docker-registry/releases/latest/download/default-dockerregistry-cr.yaml

Usage

Having installed the Docker Registry module, you can start pushing images to it using Kyma CLI (v3) or, if you decide to expose the registry externally, using Docker CLI. For details, see the following tutorials:

Development

Prerequisites

Installation in the k3d Cluster Using Make Targets

  1. Clone the project.

    git clone https://github.com/kyma-project/docker-registry.git && cd docker-registry/

  2. Build Docker Registry Operator locally and run it in the k3d cluster.

    make run

NOTE: To clean up the k3d cluster, use the make delete-k3d make target.

Using Docker Registry Operator

  • Create a Docker Registry instance.

    kubectl apply -f config/samples/default-dockerregistry-cr.yaml

  • Delete a Docker Registry instance.

    kubectl delete -f config/samples/default-dockerregistry-cr.yaml

Contributing

See the Contributing Rules.

Code of Conduct

See the Code of Conduct document.

Licensing

See the license file.