RUN
apk --no-cache update
&& apk add --no-cache --upgrade apk-tools
&& apk upgrade --no-cache --available
&& apk add --no-cache --virtual .build-deps
gifsicle pngcrush optipng libjpeg-turbo-utils
udev ttf-freefont
&& rm -rf /var/cache/apk/* /tmp/*
RUN apk add chromium chromium-chromedriver --no-cache --repository http://dl-3.alpinelinux.org/alpine/edge/community/ --allow-untrusted RUN apk add xvfb