Initial Dockerfile and entrypoint

Dockerfile

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+FROM ruby:2.5.1
+
+# install google chrome
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+RUN sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list'
+RUN apt-get -y update
+RUN apt-get install -y google-chrome-stable
+#RUN apt-get remove -y google-chrome-stable
+#RUN wget -O /tmp/chrome.deb http://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-stable/google-chrome-stable_73.0.3683.75-1_amd64.deb && dpkg -i /tmp/chrome.deb && rm /tmp/chrome.deb
+
+# install chromedriver
+RUN apt-get install -yqq unzip
+RUN wget -O /tmp/chromedriver.zip http://chromedriver.storage.googleapis.com/`curl -sS chromedriver.storage.googleapis.com/LATEST_RELEASE`/chromedriver_linux64.zip
+RUN unzip /tmp/chromedriver.zip chromedriver -d /usr/local/bin/
+
+# install xvfb
+RUN apt-get install -yqq xvfb
+
+# set display port and dbus env to avoid hanging
+ENV DISPLAY=:99
+ENV DBUS_SESSION_BUS_ADDRESS=/dev/null
+
+RUN gem install watir webdrivers nokogiri
+
+COPY entrypoint.sh /root/entrypoint.sh
+
+RUN mkdir /app
+WORKDIR /app
+
+ENTRYPOINT ["/root/entrypoint.sh"]