jruby official docker image

JRuby (http://www.jruby.org) is an implementation of Ruby (http://www.ruby-lang.org) on the JVM.

Supported tags and respective Dockerfile links

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

What is JRuby?

JRuby (http://www.jruby.org) is an implementation of Ruby (http://www.ruby-lang.org) on the JVM.

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.

wikipedia.org/wiki/Ruby_(programming_language)

JRuby leverages the robustness and speed of the JVM while providing the same Ruby that you already know and love. With JRuby you are able to take advantage of real native threads, enhanced garbage collection, and even import and use java libraries.

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How to use this image

Create a Dockerfile in your Ruby app project

FROM jruby:1.7-onbuild
CMD ["./your-daemon-or-script.rb"]

Put this file in the root of your app, next to the Gemfile.

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 bundle install.

You can then build and run the Ruby image:

docker build -t my-ruby-app .
docker run -it --name my-running-script my-ruby-app

Generate a Gemfile.lock

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:

docker run --rm -v "$PWD":/usr/src/app -w /usr/src/app jruby:1.7 bundle install --system

Run a single Ruby script

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:

docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp jruby:1.7 jruby your-daemon-or-script.rb

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: Jruby 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