Explicitly install Firefox 45.0.1

Author: davehunt

Base/Dockerfile

@@ -14,6 +14,7 @@ RUN  echo "deb http://archive.ubuntu.com/ubuntu xenial main universe\n" > /etc/a
 #========================
 RUN apt-get update -qqy \
   && apt-get -qqy --no-install-recommends install \
+    bzip2 \
     ca-certificates \
     openjdk-8-jre-headless \
     sudo \

NodeFirefox/Dockerfile

@@ -6,10 +6,17 @@ USER root
 #=========
 # Firefox
 #=========
+ENV FIREFOX_VERSION 45.0.1
 RUN apt-get update -qqy \
-  && apt-get -qqy --no-install-recommends install \
-    firefox \
-  && rm -rf /var/lib/apt/lists/*
+  && apt-get -qqy --no-install-recommends install firefox \
+  && rm -rf /var/lib/apt/lists/* \
+  && 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 \
+  && 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
 
 #========================
 # Selenium Configuration