Glossary · Phase 11 · Professional practice
Docker Compose
A tool and YAML file format for defining and running several containers together, with their networks, volumes and settings.
Try it now
Inside a container, localhost is the container itself; other services go by name.
Learn it properly
Docker Compose · Several containers together: service names, volumes, secrets and start order. About 40 minutes.
Other terms from the same lesson
- bind mount: Mapping a folder on your own machine into a container, so changes on either side show up in both.
- YAML: A text format for nested settings where indentation shows structure, used by Docker Compose, Kubernetes and most CI systems.
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