Switch to ratpoison

Dockerfile

@@ -7,15 +7,15 @@ RUN apt-get --yes update && apt-get --yes install --no-install-recommends \
     fonts-droid-fallback \
     fonts-noto \
     icedtea-8-plugin \
-    icewm \
     libdbus-glib-1-2 \
     libgtk-3-0 \
+    ratpoison \
     tightvncserver \
     xfonts-base \
     x11-xserver-utils \
     xterm
 
-COPY startup.sh waterfox*.tar.bz2 /
+COPY startup.sh ratpoisonrc waterfox*.tar.bz2 /
 
 RUN set -x; \
     tar -C /usr/local -xf /waterfox*.tar.bz2 && \

ratpoisonrc

@@ -0,0 +1,2 @@
+exec xsetroot -solid black
+exec waterfox

startup.sh

@@ -8,5 +8,5 @@ chmod -R go= $HOME/.vnc
 
 # -localhost
 vncserver $DISPLAY -geometry 1280x768 -depth 16 -nolisten tcp
-icewm
+ratpoison -f /ratpoisonrc
 vncserver -kill $DISPLAY