It allows you to specify the Url of the docker registry, credentials for logging in and the image name of your private docker image. Any errors are silently ignored. The docker daemon (dockerd) dockerd is a persistent process that manages containers. With the introduction of cross-platform. This Docker Registry API is accessible without authentication. A REST API enables programmatic interaction with the server. DockerClient is. Given a Docker Registry at localhost:5000, how can I use the Docker Registry HTTP API V2 and curl to delete busybox:latest that has the following manifest header and manifest: [email protected]ekmahar-ubu. io/google_containers/pause:0. As with any OpenShift build, the details are contained in the BuildConfig API object. jp/campaign/moderncloudday/2019/ サーバーレスのメリットである自動スケールや従量課金とともに、Dockerコンテナの. This section describes the high level design for addressing the functional requirements without referring any third party library API language. Once created, you’ll need to create a service principal and assign access to the registry. Existing CI/CD integrations let you set up fully automated Docker pipelines to get fast feedback. container files. This repository's main product is the Docker Registry 2. The docker socket is the socket the Docker daemon listens on by default and it can be used to communicate with the daemon from within a container, or if configured, outside the container against the host running docker. The SDKs allow you to build and scale Docker apps and solutions quickly and easily. The scenario is designed to demostrate how you can use Docker within a CI/CD pipeline, using Images as a build artefact that can be promoted to different environments and finally production. With GitLab Container Registry, testing and deploying Docker containers has never been easier. Docker Building an API Gateway with the Ballerina Programming Language An Open Source P2P Docker Registry. 6 Starting and Checking the Status of the Docker Engine docker. This topic provides basic information about deploying and configuring a registry. In order to make your getting started experience even better, we recently added a new. Volkan Paksoy's Blog - feeds. The Rest API. Deleted a docker image through docker registry REST api. imagePullSecrets is a type of a Kubernete Secret whose sole purpose is to pull private images from a Docker registry. The main purpose of the Docker Client is to provide a means to direct the pull of images from a registry and to have it run on a Docker host. The Docker Registry HTTP API is the protocol to facilitate distribution of images to the docker engine. Install and initialize the Cloud SDK. It may do this to avoid non-responsive Docker hosts, ease load on hosts, or for variety of other reasons. It provides a way to automate software deployment in a secure and repeatable environment. Docker will be disabling pulls via the registry v1 APIs on Docker Hub on June 1 2019. io but can be specified as part of the images's name name the Docker way. 04 as Operating System and docker-registry version 2. docker C# EntityFramework moq Testing. Pushes to Docker Hub via the registry v1 API have been disallowed since November 2015, and pulls via the registry v1 API can only be performed via Docker Clients 1. Docker-SSH uses the same logic as the Docker executor, but instead of executing the script directly, it uses an SSH client to connect to the build container. You create your Docker image and push it to a registry before referring to it in a Kubernetes pod. conf configuration file of the Microgateway. manage registry credentials for private and public repos; tag the image built - use any Jenkins env. It groups containers that make up an application into logical units for easy management and discovery. NVIDIA Container Registry. Make sure that billing is enabled for your Google Cloud Platform project. docker stop docker-guide-api docker rm docker-guide-api docker build -t docker-guide. Click the button Create repository. You can add a registry multiple times to allow users to reach different namespaces in that registry. To get started with the Kafka Streams API, most users typically begin with our Confluent demo applications or the Kafka Streams API chapter in the Confluent documentation. It works, but only some read-only methods have been implemented, and the API may still change. The Docker Registry you are configuring must already exist. This section describes the high level design for addressing the functional requirements without referring any third party library API language. Push a Docker Image From a Registry with Authentication. This executor is no longer maintained and will be removed in the near future. A Kubernetes cluster uses the Secret of docker-registry type to authenticate with a container registry to pull a private image. systemd vs daemon. io If you’re ready to get started using the most security focused Docker registry available, we offer a 14-day free trial. New version launches will be announced here. Kubernetes (K8s) is an open-source system for automating deployment, scaling, and management of containerized applications. As of Marathon 1. In this session, Stephen first gives a little history around the first version of the Docker Registry API V1 before introducing the design of Docker Registry HTTP API V2 and implementation of Registry 2. If you do not have access to a Docker server or just want to execute the build quickly, you can run the build without the integration tests: $ mvn clean install -DskipITs By default the docker engine is using local UNIX sockets for communication with the docker CLI so docker-java client also uses. credentialspec_registry (str) – Load credential spec from this value. 0, CoreOS Enterprise Registry, and Gitlab Container Registry are probably your best bets out of the 17 options considered. Develop with Docker Engine SDKs and API Estimated reading time: 12 minutes Docker provides an API for interacting with the Docker daemon (called the Docker Engine API), as well as SDKs for Go and Python. I've installed docker on a fresh ubuntu desktop 18. I setup a private docker registry (localhost:5000) and pushed an image (busy_box_r:latest) there. The Amazon ECS container agent can authenticate with private registries, including Docker Hub, using basic authentication. Docker images for Logstash are available from the Elastic Docker registry. 04, but none of the instructions I came across managed to take me all the way, so here are a few short notes on how I managed to accomplish this:. install docker; run the registry: docker run -p 5000:5000 registry; That will use the official image from the Docker hub. This command provides an authorization token that is valid for the specified registry for 12 hours. Docker is a very popular container platform that lets you easily package, deploy, and consume applications and services. This feature is only supported by tasks using the EC2 launch type. js/Angular 5, and then deploy that containerized app to a Kubernetes instance. In other words, it's an image storage. Learn how to use Azure Container Registry with these quickstarts, tutorials, and samples. Docker-SSH uses the same logic as the Docker executor, but instead of executing the script directly, it uses an SSH client to connect to the build container. The image was deleted successfully from Nexus UI, but still lists in the GET /v2//tags/list API. In this article, we take a look at another well-established platform specific API — Java API Client for Docker. Today you have more choice in the way you develop and deploy on Heroku. 07/08/2019; 2 minutes to read; In this article. Container Registry GA - Deploy Docker images to Heroku. JENKINS-39181 Fix Invalid fully qualified image name when registry URL is specified; Version 1. This tutorial goes through how to set up and secure a private Docker registry and how to push and pull images from the registry. In settings window go to Network tab and change the DNS server from Automatic to Fixed. Advanced Usage Forcing a Docker Pull. Kubernetes (Docker) images are the key building blocks of Containerized Infrastructure. The Docker Registry HTTP API is the protocol to facilitate distribution of images to the docker engine. Portus is an open source authorization service and user interface for the next generation Docker Registry. NET Core AZ Az. This will add Docker credentials in your local machine for pushing the above Docker image to EC2 container registry: 3. Using a trusted Docker registry. They contain open source. The actual registry is at one or more of these hosts: https://index. The Docker toolset to pack, ship, store, and deliver content. To synchronize container images from a registry with self-signed certificates, you must either configure certificates manually or disable the SSL Verify option. For this, you need to know the docker image name and the digest you want to. As of now, we are only supporting Kubernetes to support Docker images. While the ECS cluster should already be provisioned with all of the AWS resources required to run a container, the Distribution project has (optional) application level integration with S3. I'm doing some integration work with Openshift Origin 1. Currently Docker Hub and other registries as well as other tools use V2, but in many cases fall back to V1. This is a setup that uses fewer resources for development and hosting, so it's no wonder that Docker is taking the development world by storm. The source code is in GitHub. Docker Registry API V1 walkthrough. 3, Artifactory supports the following REST API endpoints related to Docker registries: List Docker Images provides a list of Docker images in the specified Artifactory Docker registry. Gradle plugin for managing Docker images and containers using via its remote API. registry-host-FQDN is the fully-qualified domain name of the registry host. Open docker-compose. While this is an easy way to get started, you will need to modify your reverse proxy configuration and add a new mapping for each new Docker registry you define in Artifactory. Adding the credentials to the config files allows future connections to the registry using tools such as Ansible's Docker modules, the Docker CLI and Docker SDK for Python without needing to provide credentials. NET code on Linux machines. To install this package into your project simply run the following:. This post is short to write now about all docker registry v2 APIs and I recommend to read about API features Docker Registry HTTP API V2. You’ll build a Docker image, push it to a repository and then use it to deploy an application on Amazon ECS. 0 for kubernetes installation. If you are using the Docker V2 Registry API, please refer to Docker Registry. In this post, you learned about how to configure Nexus Repository OSS for setting up Docker registry on Windows. Docker best practices: By writing minimal YAML, you can build and push an image that's tagged and labeled with rich metadata (for example, build or commit). The result is known as a swarm, a set of cooperating daemons that communicate through the Docker API. What is Docker Registry? The Registry is a stateless, highly scalable server side application that stores and lets you distribute Docker images using HTTP API. This section describes the high level design for addressing the functional requirements without referring any third party library API language. 07/08/2019; 2 minutes to read; In this article. Prerequisites. NegotiateAPIVersion queries the API and updates the version to match the API version. Notice that despite the extra features, the Codefresh registry is using the official Docker registry API and is usable even outside of Codefresh, using any of your existing Docker tools. I'm doing some integration work with Openshift Origin 1. It is available in version 1 (V1) and version 2 (V2). Edit This Page. For details on Docker Registry HTTP API, please check the docs. This endpoint mimics the Docker _catalog REST API. kubectl create secret docker-registry. This can make working with. TL;DR Deploy Nexus in a Docker container and provide Docker Registry, Maven, NuGet, npm, ruby, etc. The result is known as a swarm, a set of cooperating daemons that communicate through the Docker API. Docker is a very popular container platform that lets you easily package, deploy, and consume applications and services. Gradle plugin for managing Docker images and containers using via its remote API. If you scale up the docker-registry deployment configuration, it is possible that your registry pods and containers will run on different nodes, which can result in two or more registry containers, each with its own local storage. There are a few good options out there and today we are going to look at Docker Secrets. io; and possibly others. Authenticate with a docker registry and add the credentials to your local Docker config file. All the docker socket magic is happening via the docker API. It will run side by side with the current version of Docker Desktop, so you can continue to work safely on your existing projects. Kubernetes (K8s) is an open-source system for automating deployment, scaling, and management of containerized applications. 3 and the prod version is downloaded. A list of methods and URIs are covered in the table below: Method Path Entity Description GET /v2/ Base Check that the endpoint implements Docker Registry API V2. If you do not have access to a Docker server or just want to execute the build quickly, you can run the build without the integration tests: $ mvn clean install -DskipITs By default the docker engine is using local UNIX sockets for communication with the docker CLI so docker-java client also uses. io/google_containers/pause:0. All images stored in Codefresh registry are private by default. Share and learn in the Docker community. (easier workaround is using a pivot host, one where you acn docker pull from dockerhub and docker save/ docker push to an internal registry after) – Tensibai ♦ Nov 30 '17 at 11:06 @Tensibai To copy it to another machine that does have Docker but doesn't have internet access. Develop with Docker Engine SDKs and API Estimated reading time: 12 minutes Docker provides an API for interacting with the Docker daemon (called the Docker Engine API), as well as SDKs for Go and Python. While this is an easy way to get started, you will need to modify your reverse proxy configuration and add a new mapping for each new Docker registry you define in Artifactory. Manage images Estimated reading time: 1 minute The easiest way to make your images available for use by others inside or outside your organization is to use a Docker registry, such as Docker Hub, Docker Trusted Registry, or by running your own private registry. On December 14, 2016, we announced that, as of February 28, 2017, with the release of Docker v1. Registry V2 Catalog. It allows you to specify the Url of the docker registry, credentials for logging in and the image name of your private docker image. Configuring AHUB. With GitLab Container Registry, testing and deploying Docker containers has never been easier. The Docker Distribution project is an opensource implementation of the Docker Registry API. It supersedes the docker/docker-registry project with a new API design, focused around security and performance. gz | docker import - my_image:my_tag import a. This tutorial goes through how to set up and secure a private Docker registry and how to push and pull images from the registry. Read part four of the Docker Tutorial Series to learn more about registry types. The Docker Trusted Registry developed by Docker Inc. Prerequisite Check. The Docker Enterprise Difference Leading companies rely on our container platform to build, manage and secure all their applications from traditional applications to cutting-edge microservices — and deploy them anywhere. Share and learn in the Docker community. 6 Starting and Checking the Status of the Docker Engine docker. Download the file for your platform. Registries: A Docker registry is a repository for Docker images. GET /v2//tags/list Tags Fetch the tags under the repository identified by name. If your registry does not support the API correctly, it is possible that the connection will not be able to take place. (easier workaround is using a pivot host, one where you acn docker pull from dockerhub and docker save/ docker push to an internal registry after) – Tensibai ♦ Nov 30 '17 at 11:06 @Tensibai To copy it to another machine that does have Docker but doesn't have internet access. Announcing the Fedora CoreOS community! by Dusty Mabe – Wednesday 20 June 2018 Welcome to Fedora CoreOS. You should see a JSON object with your target registry as one of its keys. Docker is a powerful platform for building, managing, and running containerized applications. Azure Container Registry REST API reference. Docker clients connect to registries to download ("pull") images for use or upload ("push") images. JENKINS-36214 Use a workspace-specific temporary directory to write. The docker builder takes this file and packages it into an image. You can do this from either your default registry or from a registry associated with another AWS account. The Docker Enterprise Difference Leading companies rely on our container platform to build, manage and secure all their applications from traditional applications to cutting-edge microservices — and deploy them anywhere. DevOps/Docker-Kubernetes Engineer AT&T September 2018 – Present 1 year. It serves a huge collection of existing images for your use. Matthew Riley ([email protected] What is Docker Registry? The Registry is a stateless, highly scalable server side application that stores and lets you distribute Docker images using HTTP API. Integrate a Docker Registry with a private cloud via the Morpheus “New Integration” dialog box. For example, it can be used by external tools to extract the list of available images for job submissions. That Registry must support the v2 registry API. Docker’s API also exposes container metadata and key performance metrics. I setup a private docker registry (localhost:5000) and pushed an image (busy_box_r:latest) there. Your private docker registry is ready to work at instance_ip:5000, let’s test it by pushing a docker image. 3” and automatically push from the vendor registry (instead of a sponsor registry); i. Nexus Repository OSS for Private Docker Registry. Use this SDK to browse and modify your Docker Registry in a browser. The registry includes some of the most popular applications including GROMACS, NAMD, ParaView, VMD, and TensorFlow. Greater Atlanta Area • Creating Continuous Integration (CI) and Continuous Deployment (CD) Pipelines in Jenkins using. In this piece, we. Copy link Quote reply Collaborator galvesribeiro. It supersedes the docker/docker-registry project with a new API design, focused around security and performance. List Docker Tags provides a list of tags for the specified Docker image. This topic describes how to configure the Docker images when starting Confluent Platform. Docker Registry. Docker-SSH uses the same logic as the Docker executor, but instead of executing the script directly, it uses an SSH client to connect to the build container. Docker Registry Estimated reading time: 1 minute Looking for Docker Trusted Registry? Docker Trusted Registry (DTR) is a commercial product that enables complete image management workflow, featuring LDAP integration, image signing, security scanning, and integration with Universal Control Plane. sw-win-01 The Windows Server 2016 TP4 machines that spin up a Swarm container to join the. See the private registry documentation for more details on how to initiate a docker pull from a private docker registry using Marathon. December 25. This means that you can use this registry to push and pull images. Use this SDK to browse and modify your Docker Registry in a browser. Continuous Deployment for Docker with VSTS and Azure Container Registry Simon Azure , Build , CI , Cloud , Containers , Visual Studio Team Services , VSTS , Web Apps October 23, 2017 5 Minutes I've been watching with interest the growing maturity of Containers, and in particular their increasing penetration as a hosting and deployment. It supersedes the docker/docker-registry project with a new API design, focused around security and performance. If it matters, I am using Docker version 19. Testing it locally. we are making the Docker command line interface available on Windows starting with the Docker 1. Amazon Web Services (AWS) is a popular place for companies of all sizes to run their test farms and production clusters. Advanced Usage Forcing a Docker Pull. For this, you need to know the docker image name and the digest you want to. Storing database passwords and API keys in plain text files or in the source control system is just plain reckless. Here is a slightly more complex example that launches a registry on port 5000, using an Amazon S3 bucket to store images with a custom path, and enables the search endpoint:. I’m writing some code that should interact with the registry and while it works fine with our private registry, it looks as though the central registry doesn’t speak the protocol as described in the registry api doc (the Tags section). Push a Docker Image From a Registry with Authentication. Change effective on 05 September 2017. The Visual Studio Code Remote - Containers extension lets you use a Docker container as a full-featured development environment. The Docker toolset to pack, ship, store, and deliver content. And, since Docker is a primarily Linux-based technology, it. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more. If you are using the Docker V2 Registry API, please refer to Docker Registry. Log in to the Private Docker Registry from the Client. Install Docker. Limited Private repositories may be created or. In other words, it’s an image storage. Using a Private Docker Registry. 2 with Mesos 0. As of now, we are only supporting Kubernetes to support Docker images. We are excited to announce that the Docker Registry HTTP API V2 specification will be adopted in the Open Container Initiative (OCI), the organization under the Linux Foundation that provides the standards that fuel the containerization industry. All images stored in Codefresh registry are private by default. $ docker login docker. Push large size docker image to Artifactory Docker v2 registry behind Apache httpd. The heavy lifting of communicating with the Docker remote API is handled by the Docker Java library. The Docker Registry HTTP API is the protocol to facilitate distribution of images to the docker engine. Another example can be Azure Container Registry described below in the article. Use the API to retrieve image layers, get image ancestry, or list repository tags. io and docker. Docker Registry has an HTTP interface to interact with Docker Engine. Docker registry is an application that manages storing and delivering Docker container images. The Docker toolset to pack, ship, store, and deliver content. The actual registry is at one or more of these hosts: https://index. Traefik integrates with your existing infrastructure components (Docker, Swarm mode, Kubernetes, Marathon, Consul, Etcd, Rancher, Amazon ECS, ) and configures itself automatically and dynamically. Docker Registry JavaScript SDK by Konrad Kleine: This is a JavaScript SDK for developers working with the Docker Registry API. This blogpost shows you the bare minimal steps to run. December 25. If you don't specify otherwise, Kubernetes will just pull the Docker images from the public registry Docker Hub. The Visual Studio Code Remote - Containers extension lets you use a Docker container as a full-featured development environment. In an earlier part, we had looked at the Docker Hub, which is a public registry that is hosted by Docker. If you do not have access to a Docker server or just want to execute the build quickly, you can run the build without the integration tests: $ mvn clean install -DskipITs By default the docker engine is using local UNIX sockets for communication with the docker CLI so docker-java client also uses. AAD ALM Angular API App ARM ASP. Docker Registry does not contain any user accounts data, does not have a local database, and supports multiple storage backends. for kubernetes installation. With the ports method, a port number is mapped to each Artifactory Docker registry. Docker Registry API is a REST API for the Docker Registry, which eases the storage of images and repositories. Click the button Create repository. credentialspec_registry (str) – Load credential spec from this value. Learn how to use Azure's Kubernetes Service by coding and deploying an ASP. See the private registry documentation for more details on how to initiate a docker pull from a private docker registry using Marathon. JENKINS-39181 Fix Invalid fully qualified image name when registry URL is specified; Version 1. Simple Docker Registry API v2 Wrapper. Before you can deploy a registry, you need to install Docker on the host. The Amazon ECS container agent can authenticate with private registries, including Docker Hub, using basic authentication. HTTP API V2 Estimated reading time: 126 minutes Docker Registry HTTP API V2 Introduction. Enable the Container Registry API. For example:. 5, you can upload your private Docker registry credentials to a secret store, then reference them in your app or pod definition. "docker image pull" - Pull Image How to pull an image from the remote registry to the local repository with "docker image pull" command? If you know the name of a Docker image, you can pull it from the remote registry to your local repository using the "docker image pull", or "docker pull" command. The Docker client provides a command line interface (CLI) that allows you to issue build, run, and stop application commands to a Docker daemon. I’m writing some code that should interact with the registry and while it works fine with our private registry, it looks as though the central registry doesn’t speak the protocol as described in the registry api doc (the Tags section). Please inspect the second YAML file in the main folder:. Docker Community Forums. Proxying the Requests. Package types is used for API stability in the types and response to the consumers of the API stats endpoint. Docker documentation. Docker Cloud is a well-known platform as a service (PaaS) that offers a registry, testing and build faculties for Docker images. Now that our registry is up and running, we can use the Docker Registry HTTP API V2 to interact with our running instance. I've been a fan of Nexus for a decade, since I converted our maven repo on an NFS share accessed via ssh to a 1. NET Core AZ Az. To configure a registry, you need to provide its address, a custom registry name, and optionally credentials. Amazon Elastic Container Registry (Amazon ECR) is a managed AWS Docker registry service that is secure, scalable, and reliable. If you don't specify otherwise, Kubernetes will just pull the Docker images from the public registry Docker Hub. In this piece, we. Ensure that the registry endpoint that you just setup is visible under Registries in the DOCKER explorer. Push above API-M Docker image to the EC2 Container Registry created above:. To reduce duplicate downloads and improve download speeds for your developers and CI servers, you should proxy Docker Hub and any other registry you use for Docker images. A Docker registry is a host that stores Docker repositories. The v2 registry doesn't allow deleting only certain tags from an image. When you run the docker commands, the client sends these commands to dockerd, which carries them out. See the private registry documentation for more details on how to initiate a docker pull from a private docker registry using Marathon. This page lets you manage your Docker Registry configurations which represent your Docker image repository user accounts. Throughout the article, we comprehend the way of how to connect with a running Docker daemon and what type of important functionality the API offers to Java developers. NVIDIA Container Registry. There are two ways you can configure the Registry’s external domain. Proxy and cache remote Docker registries with remote repositories, and aggregate local and remote Docker registries under a single virtual Docker registry to access all your images from a single URL. The Docker Registry REST API stores the images and graph for a set of repositories. In this session, Stephen first gives a little history around the first version of the Docker Registry API V1 before introducing the design of Docker Registry HTTP API V2 and implementation of Registry 2. Configuring AHUB. Run as many. If your registry does not support the API correctly, it is possible that the connection will not be able to take place. The docker builder takes this file and packages it into an image. This has revolutionized how we can. If you would like to see all the images available in your registry you need to query the registry API. I am trying to retrieve manifest using REST api from nvcr. The image was deleted successfully from Nexus UI, but still lists in the GET /v2//tags/list API. "docker image pull" - Pull Image How to pull an image from the remote registry to the local repository with "docker image pull" command? If you know the name of a Docker image, you can pull it from the remote registry to your local repository using the "docker image pull", or "docker pull" command. For the Docker | Registry page to be available, the Docker integration plugin must be installed. And that means you need to have. The Amazon ECS container agent can authenticate with private registries, including Docker Hub, using basic authentication. The docker builder takes this file and packages it into an image. The swarm manager is using a token in config/swarm-token. Push a Docker Image From a Registry with Authentication. Pushes to Docker Hub via the registry v1 API have been disallowed since November 2015, and pulls via the registry v1 API can only be performed via Docker Clients 1. The V2 API at hub. Docker Trusted Registry, Docker Engine and Business Day Support available for a free 30 day trial to build, ship and run distributed applications in Amazon Web Services. service Ensure that anyone that has access to the TCP listening socket is a trusted user since access to the docker daemon is root-equivalent. Registry uses HTTP PUT/GET methods with JSON calls/returns. Storing Images in a Docker Registry. In order to allow CircleCI to use your custom image, store it in a public Docker Registry. ; Starting from GitLab 8. Canister registries are compatible with most services that support Docker container registries like, Docker Hub, Cloud/Trusted Registry and Quay - Contact us with questions! Docker Registry API; Use Docker v2 Registry API's to store and retrieve Docker images secured with canister. The Docker client provides a command line interface (CLI) that allows you to issue build, run, and stop application commands to a Docker daemon. It uses the Docker API to manage the lifecycle of Docker containers. A private Docker registry allows you to securely share your images within your team or organization. What I really like about Docker Secrets are that it is so simple to use. Open Docker setting by doing right click on Docker icon in system tray. If you'd like to follow along, clone down the flask-vue-crud repo from GitHub, create and activate a virtual environment, and then spin up the Flask app:. By default Jenkins X ships with a Docker Registry which is included in the system namespace for Jenkins X along with Jenkins and Nexus. Enable the Container Registry API. The NGC docker registry is private. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I've installed docker on a fresh ubuntu desktop 18. Each container in a pod has its Docker image running inside it. I'm using docker registry v1 and I'm interested in migrating to the newer version, v2. Use the full power of the Docker CLI in your jobs to build your images in a clean VM, then push to any registry. docker login to login to a registry. As of now, we are only supporting Kubernetes to support Docker images. Unfortunately there's not wonderful tooling around Docker registries that I've seen for cloning a local registry, so decided to write my own tooling that relies a little on the Docker Registry HTTP v2 API and a bit of simple Python scripting. Registry v1 API Deprecation.