busybox official docker image

Busybox base image.

Supported tags and respective Dockerfile links

For more information about this image and its history, please see the relevant manifest file (library/busybox) in the docker-library/official-images GitHub repo.

What is BusyBox? The Swiss Army Knife of Embedded Linux

At about 2.5 Mb in size, BusyBox is a very good ingredient to craft space-efficient distributions.

BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU cousins; however, the options that are included provide the expected functionality and behave very much like their GNU counterparts. BusyBox provides a fairly complete environment for any small or embedded system.

wikipedia.org/wiki/BusyBox

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How to use this image

Run BusyBox shell

docker run -it --rm busybox

This will drop you into an sh shell to allow you to do what you want inside a BusyBox system.

Create a Dockerfile for a binary

FROM busybox
COPY ./my-static-binary /my-static-binary
CMD ["/my-static-binary"]

This Dockerfile will allow you to create a minimal image for your statically compiled binary. You will have to compile the binary in some other place like another container.

More about this image

The tags of this image are built using two different methods. The ubuntu tags are using the busybox-static package from Ubuntu, adding a few support files so that it works in Docker. It's super fast to build (a minute or even less). The buildroot tags are going the long way: they use buildroot to craft a whole filesystem, with busybox but also all required libraries and other support files. It has a stronger guarantee of "this will work". It is also smaller because it's using uclibc, however it takes hours to build.

Having two totally different builders means that if one of the goes belly up, we can always fall-back on the other since this image is used in much of build testing of docker itself.

License

View license information for the software contained in this image.

Supported Docker versions

This image is officially supported on Docker version 1.6.2.

Support for older versions (down to 1.0) is provided on a best-effort basis.


Docker, Inc is the company behind the open source Docker platform and the growing Docker ecosystem of contributors, partners and adopters revolutionizing the way distributed applications are built, shipped, and run.



Website: docker.com

Docker Registery: Busybox Official Docker Image




Copyright (c) 2014-2015 Docker, Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


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Updated:
May 14, 2015