learning-docker/notes/5_orchestration_building_systems_with_docker.md

5. Orchestration: Building Systems with Docker

Registries in detail

Companies will create their own docker registry

What is a Docker Registry?

• It's a program
• Stores layers and images
• Listens on (by default) port 5000
• Maintains an index and search tags
• Authorizes and authenticates connections (sometimes)

Popular Docker Registry Programs

• Official Docker registry
• Nexus

Running the Docker Registry in Docker

• Docker makes installing network service easy
• The registry is a Docker service