![]() ![]() For Ubuntu 18.04, follow Step 1 of the How To Install Git on Ubuntu 18.04 tutorial. Git installed on the machine that you’ll use to access the cluster. Otherwise, visit Docker’s website for other distributions.Īn account at Docker Hub for storing Docker images you’ll create during this tutorial. You only need to complete Step 1 and Step 2. For Ubuntu 18.04, visit How To Install and Use Docker on Ubuntu 18.04. Prerequisitesīefore you begin this tutorial, you’ll need:ĭocker installed on the machine that you’ll access your cluster from. At the end of this tutorial, you’ll have a secure, private Docker registry installed on your DigitalOcean Kubernetes cluster. You’ll create API keys for your designated Space, install the Docker registry to your cluster with custom configuration, configure Kubernetes to properly authenticate with it, and test it by running a sample deployment on the cluster. In this tutorial, you’ll deploy your private Docker registry to your DigitalOcean Kubernetes cluster using Helm, backed up by DigitalOcean Spaces for storing data. It has a built-in CDN network, which can greatly reduce latency when frequently accessing images. DigitalOcean Spaces is an S3-compatible object storage designed for developer teams and businesses that want a scalable, simple, and affordable way to store and serve vast amounts of data, and is very suitable for storing Docker images. The default storage system is the local filesystem, but you can swap this for a cloud-based storage driver. The underlying registry storage is delegated to external drivers. By hosting your private Docker registry directly in your Kubernetes cluster, you can achieve higher speeds, lower latency, and better availability, all while having control over the registry. A private Docker registry allows you to securely share your images within your team or organization with more flexibility and control when compared to public ones. ![]() IntroductionĪ Docker registry is a storage and content delivery system for named Docker images, which are the industry standard for containerized applications. Kubernetes docker tutorial free#The author selected the Free and Open Source Fund to receive a donation as part of the Write for DOnations program. ![]()
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