22 lines
526 B
Markdown
22 lines
526 B
Markdown
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# 5. Orchestration: Building Systems with Docker
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## Registries in detail
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Companies will create their own docker registry
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### What is a Docker Registry?
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* It's a program
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* Stores layers and images
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* Listens on (by default) port 5000
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* Maintains an index and search tags
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* Authorizes and authenticates connections (sometimes)
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### Popular Docker Registry Programs
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* Official Docker registry
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* Nexus
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### Running the Docker Registry in Docker
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* Docker makes installing network service easy
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* The registry is a Docker service
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