Putting old browsers versions with their chrome drivers in docker (chrome/firefox)

Dockerfile

FROM python:3.8

#========
# Chrome
#========
# Check available versions here: https://www.ubuntuupdates.org/package/google_chrome/stable/main/base/google-chrome-stable
ARG CHROME_VERSION="84.0.4147.125-1"
RUN apt-get update -qqy \
  && wget --no-verbose -O /tmp/chrome.deb http://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-stable/google-chrome-stable_${CHROME_VERSION}_amd64.deb \
  && apt-get install --no-install-recommends -y /tmp/chrome.deb \
  && rm /tmp/chrome.deb \
  && rm -rf /var/lib/apt/lists/* /var/cache/apt/*

#==============
# 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_84`/chromedriver_linux64.zip
RUN unzip /tmp/chromedriver.zip chromedriver -d /usr/local/bin/

#=========
# Firefox
#=========
ARG FIREFOX_VERSION=79.0
RUN apt-get update -qqy \
  && apt-get -qqy --no-install-recommends install firefox-esr \
  && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
  && wget --no-verbose -O /tmp/firefox.tar.bz2 https://download-installer.cdn.mozilla.net/pub/firefox/releases/$FIREFOX_VERSION/linux-x86_64/en-US/firefox-$FIREFOX_VERSION.tar.bz2 \
  && apt-get -y purge firefox-esr \
  && rm -rf /opt/firefox \
  && tar -C /opt -xjf /tmp/firefox.tar.bz2 \
  && rm /tmp/firefox.tar.bz2 \
  && mv /opt/firefox /opt/firefox-$FIREFOX_VERSION \
  && ln -fs /opt/firefox-$FIREFOX_VERSION/firefox /usr/bin/firefox

#============
# GeckoDriver
#============
ARG GECKODRIVER_VERSION=0.27.0
RUN wget --no-verbose -O /tmp/geckodriver.tar.gz https://github.com/mozilla/geckodriver/releases/download/v$GECKODRIVER_VERSION/geckodriver-v$GECKODRIVER_VERSION-linux64.tar.gz \
  && rm -rf /opt/geckodriver \
  && tar -C /opt -zxf /tmp/geckodriver.tar.gz \
  && rm /tmp/geckodriver.tar.gz \
  && mv /opt/geckodriver /opt/geckodriver-$GECKODRIVER_VERSION \
  && chmod 755 /opt/geckodriver-$GECKODRIVER_VERSION \
  && ln -fs /opt/geckodriver-$GECKODRIVER_VERSION /usr/bin/geckodriver

ENV DISPLAY=:99