Ruby base image 2.5 + chrome Dockerfile

Dockerfile

FROM ruby:2.5.0

RUN apt-get update && apt-get install -y --no-install-recommends wget xvfb unzip \
    && wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
    && echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list \
    && apt-get update -y \
    && apt-get install -y google-chrome-stable \
    && wget -q --continue -P /usr/local/bin "http://chromedriver.storage.googleapis.com/2.40/chromedriver_linux64.zip" \
    && unzip /usr/local/bin/chromedriver* -d /usr/local/bin \
    && rm /usr/local/bin/chromedriver*.zip \
    \