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78 lines
2.9 KiB
Markdown
78 lines
2.9 KiB
Markdown
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# docker-brew
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docker-brew is a command-line tool used to build the docker standard library.
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## Install instructions
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1. Install python if it isn't already available on your OS of choice
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1. Install the easy_install tool (`sudo apt-get install python-setuptools`
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for Debian)
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1. Install the python package manager, `pip` (`easy_install pip`)
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1. Run the following command: `pip install -r requirements.txt`
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1. You should now be able to use the `docker-brew` script as such.
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## Basics
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./docker-brew -h
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Display usage and help.
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./docker-brew
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Default build from the default repo/branch. Images will be created under the
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`library/` namespace. Does not perform a remote push.
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./docker-brew -n mycorp.com -b stable --push git://github.com/mycorp/docker
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Will fetch the library definition files in the `stable` branch of the
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`git://github.com/mycorp/docker` repository and create images under the
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`mycorp.com` namespace (e.g. `mycorp.com/ubuntu`). Created images will then
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be pushed to the official docker repository (pending: support for private
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repositories)
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## Library definition files
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The library definition files are plain text files found in the `library/`
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subfolder of the docker repository.
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### File names
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The name of a definition file will determine the name of the image(s) it
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creates. For example, the `library/ubuntu` file will create images in the
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`<namespace>/ubuntu` repository. If multiple instructions are present in
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a single file, all images are expected to be created under a different tag.
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### Instruction format
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Each line represents a build instruction.
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There are different formats that `docker-brew` is able to parse.
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<git-url>
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git://github.com/dotcloud/hipache
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https://github.com/dotcloud/docker.git
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The simplest format. `docker-brew` will fetch data from the provided git
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repository from the `HEAD`of its `master` branch. Generated image will be
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tagged as `latest`. Use of this format is discouraged because there is no
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way to ensure stability.
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<docker-tag> <git-url>
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bleeding-edge git://github.com/dotcloud/docker
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unstable https://github.com/dotcloud/docker-redis.git
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A more advanced format. `docker-brew` will fetch data from the provided git
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repository from the `HEAD`of its `master` branch. Generated image will be
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tagged as `<docker-tag>`. Recommended if we always want to provide a snapshot
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of the latest development. Again, no way to ensure stability.
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<docker-tag> <git-url> T:<git-tag>
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2.4.0 git://github.com/dotcloud/docker-redis T:2.4.0
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<docker-tag> <git-url> B:<git-branch>
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zfs git://github.com/dotcloud/docker B:zfs-support
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<docker-tag> <git-url> C:<git-commit-id>
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2.2.0 https://github.com/dotcloud/docker-redis.git C:a4bf8923ee4ec566d3ddc212
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The most complete format. `docker-brew` will fetch data from the provided git
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repository from the provided reference (if it's a branch, brew will fetch its
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`HEAD`). Generated image will be tagged as `<docker-tag>`. Recommended whenever
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possible.
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