tldr/pages/common/docker-build.md

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# docker build
> Build an image from a Dockerfile.
> More information: <https://docs.docker.com/engine/reference/commandline/build/>.
- Build a Docker image using the Dockerfile in the current directory:
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`docker build .`
- Build a Docker image from a Dockerfile at a specified URL:
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`docker build {{github.com/creack/docker-firefox}}`
- Build a Docker image and tag it:
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`docker build --tag {{name:tag}} .`
- Build a Docker image with no build context:
`docker build --tag {{name:tag}} - < {{Dockerfile}}`
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- Do not use the cache when building the image:
`docker build --no-cache --tag {{name:tag}} .`
- Build a Docker image using a specific Dockerfile:
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`docker build --file {{Dockerfile}} .`
- Build with custom build-time variables:
`docker build --build-arg {{HTTP_PROXY=http://10.20.30.2:1234}} --build-arg {{FTP_PROXY=http://40.50.60.5:4567}} .`