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Last active August 29, 2015 14:13
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Dockerfile for installing Ruby via ruby-install (with GPG / SHA256 verification)
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Dockerfile
FROM ubuntu
MAINTAINER Jay Phillips
RUN sudo apt-get -q -y update
RUN sudo apt-get -q -y upgrade
RUN sudo apt-get -q -y install wget
RUN sudo apt-get -q -y install build-essential
# Install Ruby:
RUN wget -L -nv -O /tmp/ruby-install-0.5.0.tar.gz https://github.com/postmodern/ruby-install/archive/v0.5.0.tar.gz
RUN wget -L -nv -O /tmp/ruby-install-0.5.0.tar.gz.asc https://raw.github.com/postmodern/ruby-install/master/pkg/ruby-install-0.5.0.tar.gz.asc
RUN gpg --keyserver keys.gnupg.net --recv-key B9515E77
RUN gpg --verify /tmp/ruby-install-0.5.0.tar.gz.asc /tmp/ruby-install-0.5.0.tar.gz
RUN tar -C /tmp -xf /tmp/ruby-install-0.5.0.tar.gz
RUN cd /tmp/ruby-install-0.5.0 && make install
RUN mkdir -p /opt/rubies
RUN ruby-install -r /opt/rubies --sha256 1c031137999f832f86be366a71155113675b72420830ce432b777a0ff4942955 ruby 2.2.0
RUN /opt/rubies/ruby-2.2.0/bin/ruby -e 'puts "ruby-#{RUBY_VERSION} successfully installed"'
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