FROM buildpack-deps:jessie
MAINTAINER Envato Studio <studio.dev@envato.com>

# Install Node.js
RUN apt-get update && apt-get install -y ca-certificates curl

# Verify gpg and sha256: http://nodejs.org/dist/v0.10.31/SHASUMS256.txt.asc
# gpg: aka "Timothy J Fontaine (Work) <tj.fontaine@joyent.com>"
RUN gpg --keyserver pool.sks-keyservers.net --recv-keys 7937DFD2AB06298B2293C3187D33FF9D0246406D

ENV NODE_VERSION 0.10.35
ENV NPM_VERSION 2.1.18

RUN curl -SLO "http://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.gz" \
	&& curl -SLO "http://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
	&& gpg --verify SHASUMS256.txt.asc \
	&& grep " node-v$NODE_VERSION-linux-x64.tar.gz\$" SHASUMS256.txt.asc | sha256sum -c - \
	&& tar -xzf "node-v$NODE_VERSION-linux-x64.tar.gz" -C /usr/local --strip-components=1 \
	&& rm "node-v$NODE_VERSION-linux-x64.tar.gz" SHASUMS256.txt.asc \
	&& npm install -g npm@"$NPM_VERSION" \
	&& npm cache clear

# Install Ruby
RUN apt-get update && apt-get install -y curl procps && rm -rf /var/lib/apt/lists/*

ENV RUBY_MAJOR 2.2
ENV RUBY_VERSION 2.2.0

# some of ruby's build scripts are written in ruby
# we purge this later to make sure our final image uses what we just built
RUN apt-get update \
	&& apt-get install -y bison ruby \
	&& rm -rf /var/lib/apt/lists/* \
	&& mkdir -p /usr/src/ruby \
	&& curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" \
		| tar -xjC /usr/src/ruby --strip-components=1 \
	&& cd /usr/src/ruby \
	&& autoconf \
	&& ./configure --disable-install-doc \
	&& make -j"$(nproc)" \
	&& apt-get purge -y --auto-remove bison ruby \
	&& make install \
	&& rm -r /usr/src/ruby

# skip installing gem documentation
RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"

# install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH
RUN gem install bundler \
	&& bundle config --global path "$GEM_HOME" \
	&& bundle config --global bin "$GEM_HOME/bin"

# don't create ".bundle" in all our apps
ENV BUNDLE_APP_CONFIG $GEM_HOME

# Done.
RUN mkdir -p /Code
WORKDIR /Code

CMD [ "node", "irb" ]