Step-by-step guide to setting up a self-hosted private Docker Registry on Ubuntu. Covers creating a Docker Compose configuration for the registry, configuring Nginx as a reverse proxy with TLS termination, adding htpasswd-based authentication, enabling automatic restarts, increasing Nginx upload size limits, and testing push/pull operations. Also includes a comparison table between self-hosted registries and Docker Hub, plus an FAQ covering common issues like insecure registries, image deletion, and backups.
Table of contents
IntroductionKey TakeawaysPrerequisitesStep 1 - Installing and Configuring the Docker RegistryStep 2 - Setting Up Nginx Port ForwardingStep 3 - Setting Up AuthenticationStep 4 - Starting Docker Registry as a ServiceStep 5 - Increasing File Upload Size for NginxStep 6 - Publishing to Your Private Docker RegistryStep 7 - Pulling From Your Private Docker RegistryDocker Registry vs Docker HubTroubleshootingFAQsConclusionSort: