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Update build.md (#19381)

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Ivan Maximov 2024-02-12 12:48:31 +03:00 committed by GitHub
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content/compose/compose-file/build.md
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@ -54,7 +54,7 @@ services:
When used to build service images from source, the Compose file creates three Docker images:
* `example/webapp`: A Docker image is built using `webapp` sub-directory, within the Compose file's parent folder, as the Docker build context. Lack of a `Dockerfile` within this folder throws an error.
* `example/database`: A Docker image is built using `backend` sub-directory within the Compose file parent folder. `backend.Dockerfile` file is used to define build steps, this file is searched relative to the context path, which means `..` resolves to the Compose file parent folder, so `backend.Dockerfile` is a sibling file.
* `example/database`: A Docker image is built using `backend` sub-directory within the Compose file parent folder. `backend.Dockerfile` file is used to define build steps, this file is searched relative to the context path, which means `..` resolves to the Compose file's parent folder, so `backend.Dockerfile` is a sibling file.
* A Docker image is built using the `custom` directory with the user's HOME as the Docker context. Compose displays a warning about the non-portable path used to build image.
On push, both `example/webapp` and `example/database` Docker images are pushed to the default registry. The `custom` service image is skipped as no `image` attribute is set and Compose displays a warning about this missing attribute.