Dockerfile

FROM ruby:2.3.0
RUN apt-get update -qq && apt-get install -y build-essential libpq-dev libgmp3-dev

# gpg keys listed at https://github.com/nodejs/node
RUN set -ex \
  && for key in \
    9554F04D7259F04124DE6B476D5A82AC7E37093B \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
  ; do \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
  done

ENV NPM_CONFIG_LOGLEVEL info
ENV NODE_VERSION 5.3.0

RUN curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.gz" \
  && curl -SLO "https://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 \
  && echo -e '\n# Node.js\nexport PATH="node_modules/.bin:$PATH"' >> /root/.bashrc

ENV app /jenkins-pipeline
ENV client /jenkins-pipeline/client
RUN mkdir $app

#Cache bundle install
COPY Gemfile* /tmp/
WORKDIR /tmp
RUN bundle install --without test

#Cache npm install
ADD client/package.json /tmp/package.json
RUN cd /tmp && npm install

ADD . $app

WORKDIR $client
RUN cp -a /tmp/node_modules .
RUN mkdir /public && npm run build:prod

# cleanup
#RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /setup /build $client

WORKDIR $app
EXPOSE 4567
CMD ["bundle", "exec", "rackup", "--host", "0.0.0.0"]