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compose-cli/docs/reference/compose_build.md
Sebastiaan van Stijn fdc362bf55 [v2] docs: markdown and link fixes
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-09-13 21:54:26 +02:00

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## Description
Services are built once and then tagged, by default as `project_service`.
If the Compose file specifies an
[image](https://github.com/compose-spec/compose-spec/blob/master/spec.md#image) name,
the image is tagged with that name, substituting any variables beforehand. See
[variable interpolation](https://github.com/compose-spec/compose-spec/blob/master/spec.md#interpolation).
If you change a service's `Dockerfile` or the contents of its build directory,
run `docker compose build` to rebuild it.