Update Dockerfile

Dockerfile

@@ -1,9 +1,9 @@
 FROM ubuntu:20.04
 
-# Set the DEBIAN_FRONTEND to noninteractive to avoid interactive prompts during package installation
+# Set DEBIAN_FRONTEND to noninteractive to avoid interactive prompts during package installation
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Update package lists and install necessary packages, with --fix-missing option
+# Update and fix broken packages, then install necessary packages
 RUN apt-get update && apt-get install -y --fix-missing \
     tzdata \
     x11vnc \
@@ -12,6 +12,7 @@ RUN apt-get update && apt-get install -y --fix-missing \
     lxterminal \
     tightvncserver \
     wget \
+    && apt-get install -y --fix-broken \
     && apt-get clean
 
 # Set the timezone to UTC (or your preferred timezone)
@@ -21,7 +22,7 @@ RUN ln -snf /usr/share/zoneinfo/UTC /etc/localtime && echo "UTC" > /etc/timezone
 RUN mkdir -p /opt/novnc && \
     wget -qO- https://github.com/novnc/noVNC/archive/refs/tags/v1.3.0.tar.gz | tar xz --strip 1 -C /opt/novnc
 
-# Expose ports
+# Expose the necessary port for noVNC
 EXPOSE 6080
 
 # Start VNC and noVNC