Dockerfile

FROM golang:1.5

RUN apt-get update && apt-get install -y --no-install-recommends \
		autoconf \
		automake \
		bzip2 \
		file \
		g++ \
		gcc \
		imagemagick \
		libbz2-dev \
		libc6-dev \
		libcurl4-openssl-dev \
		libevent-dev \
		libffi-dev \
		libgeoip-dev \
		libglib2.0-dev \
		libjpeg-dev \
		liblzma-dev \
		libmagickcore-dev \
		libmagickwand-dev \
		libmysqlclient-dev \
		libncurses-dev \
		libpng-dev \
		libpq-dev \
		libreadline-dev \
		libsqlite3-dev \
		libssl-dev \
		libtool \
		libwebp-dev \
		libxml2-dev \
		libxslt-dev \
		libyaml-dev \
		make \
		patch \
		xz-utils \
		zlib1g-dev \
	&& rm -rf /var/lib/apt/lists/*

ENV RUBY_MAJOR 2.2
ENV RUBY_VERSION 2.2.3
ENV RUBY_DOWNLOAD_SHA256 df795f2f99860745a416092a4004b016ccf77e8b82dec956b120f18bdc71edce
ENV RUBYGEMS_VERSION 2.4.8

# Skip installing gem documentation
RUN echo 'install: --no-document\nupdate: --no-document' >> "$HOME/.gemrc"

# 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 libgdbm-dev ruby \
	&& rm -rf /var/lib/apt/lists/* \
	&& mkdir -p /usr/src/ruby \
	&& curl -fSL -o ruby.tar.gz "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.gz" \
	&& echo "$RUBY_DOWNLOAD_SHA256 *ruby.tar.gz" | sha256sum -c - \
	&& tar -xzf ruby.tar.gz -C /usr/src/ruby --strip-components=1 \
	&& rm ruby.tar.gz \
	&& cd /usr/src/ruby \
	&& autoconf \
	&& ./configure --disable-install-doc \
	&& make -j"$(nproc)" \
	&& make install \
	&& apt-get purge -y --auto-remove bison libgdbm-dev ruby \
	&& gem update --system $RUBYGEMS_VERSION \
	&& rm -r /usr/src/ruby

# Install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH

ENV BUNDLER_VERSION 1.10.6

RUN gem install bundler --version "$BUNDLER_VERSION" \
	&& bundle config --global path "$GEM_HOME" \
	&& bundle config --global bin "$GEM_HOME/bin"

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

# When nokogiri installs, it calls out the `patch` command to fix some libxml
# stuffs
RUN apt-get install -y patch

# Install Golang dependencies
RUN go get github.com/golang/lint/golint
RUN go get github.com/buildkite/github-release

# Install zip which is required for releasing to GitHub
RUN echo "deb http://http.debian.net/debian jessie contrib" >> /etc/apt/sources.list
RUN apt-get update
RUN apt-get install -y zip

# The golang Docker sets the $GOPATH to be /go
# https://github.com/docker-library/golang/blob/c1baf037d71331eb0b8d4c70cff4c29cf124c5e0/1.4/Dockerfile
RUN mkdir -p /go/src/github.com/buildkite/agent
WORKDIR /go/src/github.com/buildkite/agent