Update Dockerfile

Dockerfile

@@ -1,11 +1,11 @@
-# 1. Use Debian Bullseye (Stable Linux) instead of the Python image
-# This ensures Python and Tkinter versions match perfectly.
+# 1. Use Debian Bullseye (Stable Linux)
+# This ensures Python and Tkinter match perfectly to prevent the 503 crash.
 FROM debian:bullseye
 
-# 2. Prevent interactive prompts during installation
+# 2. Prevent interactive prompts
 ENV DEBIAN_FRONTEND=noninteractive
 
-# 3. Install Python, Tkinter, and GUI tools all from the system package manager
+# 3. Install Python, Tkinter, and GUI tools
 RUN apt-get update && apt-get install -y \
     python3 \
     python3-pip \
@@ -16,7 +16,6 @@ RUN apt-get update && apt-get install -y \
     novnc \
     net-tools \
     scrot \
-    dos2unix \
     && rm -rf /var/lib/apt/lists/*
 
 # 4. Fix the 403 Error (Missing Index)
@@ -29,14 +28,13 @@ WORKDIR /app
 COPY . .
 
 # 7. Install Python requirements
-# We use --break-system-packages because we are intentionally using the system python
-RUN pip3 install --no-cache-dir --break-system-packages -r requirements.txt
+# CORRECTION: Removed '--break-system-packages' which causes errors on Bullseye
+RUN pip3 install --no-cache-dir -r requirements.txt
 
 # 8. Create the user (ID 1000)
 RUN useradd -m -u 1000 user
 
 # 9. GENERATE STARTUP SCRIPT
-# We explicitly call 'python3' here
 RUN echo '#!/bin/bash' > start.sh && \
     echo 'export DISPLAY=:1' >> start.sh && \
     echo 'Xvfb :1 -screen 0 1440x960x24 &' >> start.sh && \