switch to latest firefox version.

.m1k1o/firefox/Dockerfile

@@ -1,24 +1,30 @@
 ARG BASE_IMAGE=m1k1o/neko:base
 FROM $BASE_IMAGE
 
+ARG SRC_URL="https://download.mozilla.org/?product=firefox-latest&os=linux64&lang=en-US"
+
 #
-# install firefox-esr
+# install firefox
 RUN set -eux; apt-get update; \
-    apt-get install -y --no-install-recommends openbox firefox-esr; \
+    apt-get install -y --no-install-recommends openbox \
+    xz-utils bzip2 libgtk-3-0 libdbus-glib-1-2; \
     #
-    # install extensions
-    mkdir -p /usr/lib/firefox-esr/distribution/extensions; \
-    wget -O '/usr/lib/firefox-esr/distribution/extensions/uBlock0@raymondhill.net.xpi' https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi; \
-    wget -O /usr/lib/firefox-esr/distribution/extensions/nordvpnproxy@nordvpn.com.xpi https://addons.mozilla.org/firefox/downloads/latest/nordvpn-proxy-extension/latest.xpi; \
+    # fetch latest release
+    wget -O /tmp/firefox-setup.tar.bz2 "${SRC_URL}"; \
+    mkdir /usr/lib/firefox; \
+    tar -xjf /tmp/firefox-setup.tar.bz2 -C /usr/lib; \
+    rm -f /tmp/firefox-setup.tar.bz2; \
+    ln -s /usr/lib/firefox/firefox /usr/bin/firefox; \
     #
     # clean up
+    apt-get --purge autoremove -y xz-utils bzip2; \
     apt-get clean -y; \
     rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
 #
 # copy configuation files
 COPY supervisord.conf /etc/neko/supervisord/firefox.conf
-COPY neko.js /usr/lib/firefox-esr/mozilla.cfg
-COPY autoconfig.js /usr/lib/firefox-esr/defaults/pref/autoconfig.js
-COPY policies.json /usr/lib/firefox-esr/distribution/policies.json
+COPY neko.js /usr/lib/firefox/mozilla.cfg
+COPY autoconfig.js /usr/lib/firefox/defaults/pref/autoconfig.js
+COPY policies.json /usr/lib/firefox/distribution/policies.json
 COPY openbox.xml /etc/neko/openbox.xml