Docker phantomjs ruby test box

Dockerfile-rubyphantomjs

From ruby:2.3.1

RUN apt-get update

RUN apt-get install build-essential chrpath libssl-dev libxft-dev -y \
      && apt-get install libfreetype6 libfreetype6-dev -y \
      && apt-get install libfontconfig1 libfontconfig1-dev -y

RUN set -xeu \
  \
  && PHANTOM_VERSION="phantomjs-2.1.1" \
  && ARCH=$(uname -m) \
  && PHANTOM_JS="$PHANTOM_VERSION-linux-$ARCH" \
  && wget https://bitbucket.org/ariya/phantomjs/downloads/$PHANTOM_JS.tar.bz2 \
  && tar xvjf $PHANTOM_JS.tar.bz2 \
  && mv $PHANTOM_JS /usr/local/share \
  && ln -sf /usr/local/share/$PHANTOM_JS/bin/phantomjs /usr/local/bin \
  && rm -f $PHANTOM_JS.tar.bz2

docker-compose.yml

#
# to run this:
# docker-compose up
#  or
# docker-compose run testbox
#
# stop it:
# docker-compose down
#
# rebuild image (when dockerfile changes)
# docker-compose build
#
# this will use bundler to install from your Gemfile[.lock] and run your tests with Guard
#
version: '2'
services:
  testbox:
    build:
      context: .
      dockerfile: Dockerfile
    volumes:
    - $PWD/:/host
    - $PWD/dockerbox/gem_home:/usr/local/bundle
    command: 'bash -c "cd /host && bundle install && rake"'