Deprecated

Please use the official ruby alpine Docker images, e.g.:

$ docker pull ruby:2.4-alpine
$ docker run --rm ruby:2.4-alpine ruby -e 'puts "Hello World"'

Also see this post for a tutorial on getting started with Docker and Ruby on Rails.

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ruby 2.3.1 Dockerfile

ruby 2.3.0 Dockerfile

Based on alpine:3.3, ruby installed using ruby-install

Tools

bundler and git are installed as basic requirements.

Usage

To use this image (with Ruby 2.3.1):

docker run --rm cblunt/alpine-linux-ruby:2.3.1 ruby -e 'puts "Hello World"'