Update VNC-Dockerfile to configure Firefox policies

VNC-Dockerfile

@@ -1,26 +1,28 @@
-# The Base Image used to create this Image
 FROM accetto/ubuntu-vnc-xfce-firefox-g3
-
-# Just my name who wrote this file
 MAINTAINER HubbelBubbel
-
 USER root
 
-# Remove all panel inputs
 RUN mv /usr/bin/xfce4-panel /usr/bin/xfce4-panel-old
 RUN rm /usr/libexec/noVNCdim/app/images/icons/novnc.ico
-
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y python3-pip locales
 RUN pip install pyxhook --break-system-packages
 
-USER headless
+# 🔽 DELETE POP-UPS AND PASSKEY 🔽
+RUN echo '{\n\
+  "policies": {\n\
+    "PasswordManagerEnabled": false,\n\
+    "OfferToSaveLogins": false,\n\
+    "Preferences": {\n\
+      "signon.rememberSignons": false,\n\
+      "signon.autofillForms": false,\n\
+      "signon.generation.enabled": false\n\
+    }\n\
+  }\n\
+}' > /usr/lib/firefox/distribution/policies.json
 
-# COPY XFCE4 config for white background 
+USER headless
 COPY ./vnc/xfce4-desktop.xml /home/headless/.config/xfce4/xfconf/xfce-perchannel-xml/
 COPY ./vnc/WinCursor /home/headless/.icons/WinCursor/
-
-# Copy adjusted html file for noVNC
 COPY ./vnc/conn.html /usr/libexec/noVNCdim/
 COPY ./vnc/ui.js /usr/libexec/noVNCdim/app/
 COPY ./vnc/base.css /usr/libexec/noVNCdim/app/styles/
-