-Use openssl-Use fluxbox as WM

Dockerfile

@@ -1,6 +1,11 @@
 # syntax=docker/dockerfile:1
 FROM jayfield/novnc-baseimage
 
+RUN apt-get update && \
+    apt-get -y install --no-install-recommends openssl && \
+    apt-get -y install --no-install-recommends net-tools socat && \
+    rm -rf /var/lib/apt/lists/*
+
 RUN openssl req -x509 -nodes -newkey rsa:2048 -keyout /tmp/novnc.key -out /tmp/novnc.pem -days 3650 -subj "/C=US/ST=NY/L=NY/O=NY/OU=NY/CN=NY emailAddress=email@example.com"
 ENV DISPLAY_NUM=99
 ENV DISPLAY=:${DISPLAY_NUM}
@@ -8,6 +13,7 @@ RUN touch /root/.Xauthority
 
 ADD scripts /opt/scripts/
 
+EXPOSE 60${DISPLAY_NUM}
 EXPOSE 5900
 
 ENTRYPOINT ["/opt/scripts/server_start.sh", "/opt/scripts/server.sh"]

scripts/server.sh

@@ -6,7 +6,7 @@ NOVNC_PORT=80${DISPLAY_NUM}
 
 echo Display at ${DISPLAY} with ${SCREEN_W}x${SCREEN_H}x24
 /opt/TurboVNC/bin/Xvnc ${DISPLAY} -geometry ${SCREEN_W}x${SCREEN_H} -depth 24 +xinerama -securitytypes none >/var/log/xvfb.log &
-icewm-session -o /var/log/icewm.log &
+fluxbox &
 /tmp/websockify/run -D --web=/tmp/noVNC/ --cert=/tmp/novnc.pem --key=/tmp/novnc.key ${NOVNC_PORT} localhost:${RFB_PORT}
 socat TCP-LISTEN:60${DISPLAY_NUM},fork,bind=0.0.0.0 UNIX-CONNECT:/tmp/.X11-unix/X${DISPLAY_NUM}