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Clarify `dockerfile` requires `build` key 

Credit to @funkyfuture for the first PR addressing the clarification.
https://github.com/docker/compose/pull/1767

Signed-off-by: Mazz Mosley <mazz@houseofmnowster.com>
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Mazz Mosley 2015-10-28 16:48:35 +00:00 committed by Daniel Nephin
parent 8d816fc2f3
commit d28b2027b8
1 changed files with 3 additions and 1 deletions
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docs/compose-file.md
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@ -105,8 +105,10 @@ Custom DNS search domains. Can be a single value or a list.
Alternate Dockerfile. Alternate Dockerfile.
Compose will use an alternate file to build with. Compose will use an alternate file to build with. A build path must also be
specified using the `build` key.
build: /path/to/build/dir
dockerfile: Dockerfile-alternate dockerfile: Dockerfile-alternate
Using `dockerfile` together with `image` is not allowed. Attempting to do so results in an error. Using `dockerfile` together with `image` is not allowed. Attempting to do so results in an error.