我没有使用Chrome，而是使用Firefox，这是我所有的dockerfile.这对我来说是工作.希望对您有所帮助.玩得开心

I didn't use Chrome but firefox, This is all of my dockerfile. it's work for me. I hope That will help you. Have fun

FROM alpine:3.7

RUN apk add --no-cache bash &&\
    apk update &&\
    apk upgrade

ENV PATH /usr/local/bin:$PATH

RUN apk add --no-cache make &&\
    apk add --no-cache python3-dev &&\
    apk add --no-cache python3 &&\
    apk add --no-cache firefox-esr &&\
    apk add --no-cache wget &&\
    apk add --no-cache git &&\
    apk add --no-cache icu-libs &&\
    apk add --no-cache xvfb &&\
    apk add --no-cache linux-headers &&\
    apk add --no-cache texinfo &&\
    apk add --no-cache gcc &&\
    apk add --no-cache g++ &&\
    apk add --no-cache gfortran &&\
    apk add --no-cache libxml2-dev &&\
    apk add --no-cache xmlsec-dev &&\
    apk add --no-cache py-requests &&\
    apk add --no-cache qt-dev &&\
    apk add --no-cache openjdk7-jre &&\
    apk add --no-cache dbus-x11 &&\
    apk add --no-cache ttf-freefont &&\
    rm -rf /var/cache/apk/*

#python
RUN python3 -m ensurepip &&\
    rm -r /usr/lib/python*/ensurepip &&\
    pip3 install --upgrade pip setuptools &&\
    if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi &&\
    if [[ ! -e /usr/bin/python ]]; then ln -sf /usr/bin/python3 /usr/bin/python; fi &&\
    rm -r /root/.cache

#firefox
RUN rm  -rf /tmp/* /var/cache/apk/* &&\
    wget "https://github.com/mozilla/geckodriver/releases/download/v0.19.1/geckodriver-v0.19.1-linux64.tar.gz" &&\
    tar -xvf geckodriver-v0.19.1-linux64.tar.gz &&\
    rm -rf geckodriver-v0.19.1-linux64.tar.gz &&\
    chmod a+x geckodriver &&\
    mv geckodriver /usr/local/bin/

#selenium
RUN pip install "selenium<3" &&\
    pip install virtualenv &&\
    pip install pyvirtualdisplay

#X server
RUN git clone "https://github.com/niklasb/webkit-server.git" &&\
    cd webkit-server &&\
    python setup.py install
ADD start_script.sh /tmp/start_script.sh
RUN chmod +x /tmp/start_script.sh

#mysql
RUN apk add --no-cache mariadb-dev
RUN pip install mysqlclient

# prepare le shell
RUN mkdir /var/shared
WORKDIR "/var/shared"
CMD ["/tmp/start_script.sh"]

还有启动脚本:

#!/bin/sh
Xvfb :00 &
export DISPLAY=:00
python3 scraper/main.py