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- :title: Build Command
- :description: Build a new image from the Dockerfile passed via stdin
- :keywords: build, docker, container, documentation
- ================================================
- ``build`` -- Build a container from a Dockerfile
- ================================================
- ::
- Usage: docker build [OPTIONS] PATH | URL | -
- Build a new container image from the source code at PATH
- -t="": Repository name (and optionally a tag) to be applied to the resulting image in case of success.
- -q=false: Suppress verbose build output.
- -no-cache: Do not use the cache when building the image.
- When a single Dockerfile is given as URL, then no context is set. When a git repository is set as URL, the repository is used as context
- Examples
- --------
- .. code-block:: bash
- sudo docker build .
- This will read the ``Dockerfile`` from the current directory. It will
- also send any other files and directories found in the current
- directory to the ``docker`` daemon.
- The contents of this directory would be used by ``ADD`` commands found
- within the ``Dockerfile``. This will send a lot of data to the
- ``docker`` daemon if the current directory contains a lot of data. If
- the absolute path is provided instead of ``.`` then only the files and
- directories required by the ADD commands from the ``Dockerfile`` will be
- added to the context and transferred to the ``docker`` daemon.
- .. code-block:: bash
- sudo docker build -t vieux/apache:2.0 .
- This will build like the previous example, but it will then tag the
- resulting image. The repository name will be ``vieux/apache`` and the
- tag will be ``2.0``
- .. code-block:: bash
- sudo docker build - < Dockerfile
- This will read a ``Dockerfile`` from *stdin* without context. Due to
- the lack of a context, no contents of any local directory will be sent
- to the ``docker`` daemon. ``ADD`` doesn't work when running in this
- mode because the absence of the context provides no source files to
- copy to the container.
- .. code-block:: bash
- sudo docker build github.com/creack/docker-firefox
- This will clone the Github repository and use it as context. The
- ``Dockerfile`` at the root of the repository is used as
- ``Dockerfile``. Note that you can specify an arbitrary git repository
- by using the ``git://`` schema.
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