82 lines
5.9 KiB
Markdown
82 lines
5.9 KiB
Markdown
# Supported tags and respective `Dockerfile` links
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- [`1.9.3-p551`, `1.9.3`, `1.9`, `1` (*1.9/Dockerfile*)](https://github.com/docker-library/ruby/blob/1f5d7ef4e2659596e007871db90b80b2f235b845/1.9/Dockerfile)
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- [`1.9.3-p551-onbuild`, `1.9.3-onbuild`, `1.9-onbuild`, `1-onbuild` (*1.9/onbuild/Dockerfile*)](https://github.com/docker-library/ruby/blob/069e9f5f9aa4903f4a3cb4baf6325d08d9d366e6/1.9/onbuild/Dockerfile)
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- [`1.9.3-p551-slim`, `1.9.3-slim`, `1.9-slim`, `1-slim` (*1.9/slim/Dockerfile*)](https://github.com/docker-library/ruby/blob/8164fe030868a3fc680dc53277b9572feedf112a/1.9/slim/Dockerfile)
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- [`1.9.3-p551-wheezy`, `1.9.3-wheezy`, `1.9-wheezy`, `1-wheezy` (*1.9/wheezy/Dockerfile*)](https://github.com/docker-library/ruby/blob/8c8394eebfff558f3aa00780e09f73f04e8eca56/1.9/wheezy/Dockerfile)
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- [`2.0.0-p643`, `2.0.0`, `2.0` (*2.0/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.0/Dockerfile)
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- [`2.0.0-p643-onbuild`, `2.0.0-onbuild`, `2.0-onbuild` (*2.0/onbuild/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.0/onbuild/Dockerfile)
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- [`2.0.0-p643-slim`, `2.0.0-slim`, `2.0-slim` (*2.0/slim/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.0/slim/Dockerfile)
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- [`2.0.0-p643-wheezy`, `2.0.0-wheezy`, `2.0-wheezy` (*2.0/wheezy/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.0/wheezy/Dockerfile)
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- [`2.1.5`, `2.1` (*2.1/Dockerfile*)](https://github.com/docker-library/ruby/blob/1f5d7ef4e2659596e007871db90b80b2f235b845/2.1/Dockerfile)
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- [`2.1.5-onbuild`, `2.1-onbuild` (*2.1/onbuild/Dockerfile*)](https://github.com/docker-library/ruby/blob/069e9f5f9aa4903f4a3cb4baf6325d08d9d366e6/2.1/onbuild/Dockerfile)
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- [`2.1.5-slim`, `2.1-slim` (*2.1/slim/Dockerfile*)](https://github.com/docker-library/ruby/blob/4a125ef1ad5c8d9d8a7560fcb86c9a7ed3c39dff/2.1/slim/Dockerfile)
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- [`2.1.5-wheezy`, `2.1-wheezy` (*2.1/wheezy/Dockerfile*)](https://github.com/docker-library/ruby/blob/8c8394eebfff558f3aa00780e09f73f04e8eca56/2.1/wheezy/Dockerfile)
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- [`2.2.1`, `2.2`, `2`, `latest` (*2.2/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.2/Dockerfile)
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- [`2.2.1-onbuild`, `2.2-onbuild`, `2-onbuild`, `onbuild` (*2.2/onbuild/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.2/onbuild/Dockerfile)
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- [`2.2.1-slim`, `2.2-slim`, `2-slim`, `slim` (*2.2/slim/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.2/slim/Dockerfile)
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- [`2.2.1-wheezy`, `2.2-wheezy`, `2-wheezy`, `wheezy` (*2.2/wheezy/Dockerfile*)](https://github.com/docker-library/ruby/blob/90c4e3be58d565007c518d311d4bd05086a1638c/2.2/wheezy/Dockerfile)
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For more information about this image and its history, please see the [relevant manifest file (`library/ruby`)](https://github.com/docker-library/official-images/blob/master/library/ruby) in the [`docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images).
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# What is Ruby?
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Ruby is a dynamic, reflective, object-oriented, general-purpose, open-source programming language. According to its authors, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. It supports multiple programming paradigms, including functional, object-oriented, and imperative. It also has a dynamic type system and automatic memory management.
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> [wikipedia.org/wiki/Ruby_(programming_language)](https://en.wikipedia.org/wiki/Ruby_%28programming_language%29)
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# How to use this image
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## Create a `Dockerfile` in your Ruby app project
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FROM ruby:2.1-onbuild
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CMD ["./your-daemon-or-script.rb"]
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Put this file in the root of your app, next to the `Gemfile`.
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This image includes multiple `ONBUILD` triggers which should be all you need to bootstrap most applications. The build will `COPY . /usr/src/app` and `RUN
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bundle install`.
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You can then build and run the Ruby image:
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docker build -t my-ruby-app .
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docker run -it --name my-running-script my-ruby-app
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### Generate a `Gemfile.lock`
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The `onbuid` tag expects a `Gemfile.lock` in your app directory. This `docker run` will help you generate one. Run it in the root of your app, next to the `Gemfile`:
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docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app ruby:2.1 bundle install
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## Run a single Ruby script
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For many simple, single file projects, you may find it inconvenient to write a complete `Dockerfile`. In such cases, you can run a Ruby script by using the Ruby Docker image directly:
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docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp ruby:2.1 ruby your-daemon-or-script.rb
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# License
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View [license information](https://www.ruby-lang.org/en/about/license.txt) for the software contained in this image.
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# Supported Docker versions
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This image is officially supported on Docker version 1.5.0.
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Support for older versions (down to 1.0) is provided on a best-effort basis.
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# User Feedback
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## Issues
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If you have any problems with or questions about this image, please contact us through a [GitHub issue](https://github.com/docker-library/ruby/issues).
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You can also reach many of the official image maintainers via the `#docker-library` IRC channel on [Freenode](https://freenode.net).
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## Contributing
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You are invited to contribute new features, fixes, or updates, large or small; we are always thrilled to receive pull requests, and do our best to process them as fast as we can.
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Before you start to code, we recommend discussing your plans through a [GitHub issue](https://github.com/docker-library/ruby/issues), especially for more ambitious contributions. This gives other contributors a chance to point you in the right direction, give you feedback on your design, and help you find out if someone else is working on the same thing.
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