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Dockerfile.txt

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+FROM dorowu/ubuntu-desktop-lxde-vnc:latest
+
+ENV RESOLUTION=1600x720
+WORKDIR /workspace
+
+# 1. Fix Repos & Install Tools
+RUN rm -f /etc/apt/sources.list.d/google-chrome.list && \
+    apt-get update && apt-get install -y python3-pip git-lfs && \
+    pip3 install huggingface_hub[hf_transfer]
+
+# 2. Setup User & Ports
+RUN sed -i 's/listen 80 default_server;/listen 7860 default_server;/' /etc/nginx/sites-enabled/default
+RUN useradd -m -u 1000 user || echo "User exists"
+
+# 3. Pre-create permanent subfolders
+RUN mkdir -p /workspace/storage/Desktop \
+             /workspace/storage/Documents \
+             /workspace/storage/Downloads \
+             /var/log/supervisor
+
+# 4. Link user folders to permanent storage
+RUN rm -rf /home/user/Desktop /home/user/Documents /home/user/Downloads && \
+    ln -s /workspace/storage/Desktop /home/user/Desktop && \
+    ln -s /workspace/storage/Documents /home/user/Documents && \
+    ln -s /workspace/storage/Downloads /home/user/Downloads
+
+# Link config folders for user
+RUN mkdir -p /workspace/storage/.config /workspace/storage/.local && \
+    rm -rf /home/user/.config /home/user/.local && \
+    ln -s /workspace/storage/.config /home/user/.config && \
+    ln -s /workspace/storage/.local /home/user/.local
+
+# Link config folders for root
+RUN mkdir -p /workspace/storage/settings/.config /workspace/storage/settings/.local && \
+    rm -rf /root/.config /root/.local && \
+    ln -s /workspace/storage/settings/.config /root/.config && \
+    ln -s /workspace/storage/settings/.local /root/.local
+
+# 5. Set Permissions
+RUN chmod -R 777 /workspace /home/user /var/log/supervisor
+
+# 6. Copy Configs
+COPY sync.py /workspace/sync.py
+COPY sync.conf /etc/supervisor/conf.d/sync.conf
+RUN chmod +x /workspace/sync.py
+
+# Copy entrypoint script
+COPY entrypoint.sh /workspace/entrypoint.sh
+RUN chmod +x /workspace/entrypoint.sh
+
+# Add this to your Dockerfile to fix the Chrome command globally
+RUN echo 'alias google-chrome="google-chrome --no-sandbox --disable-dev-shm-usage"' >> /root/.bashrc
+
+# Add this to your Dockerfile to always get the latest Chrome
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
+    echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list && \
+    apt-get update && \
+    apt-get install -y google-chrome-stable
+
+# This version includes the new safety bypass for WebGL
+RUN mv /usr/bin/google-chrome-stable /usr/bin/google-chrome-original && \
+    echo '#!/bin/bash\n/usr/bin/google-chrome-original \
+    --no-sandbox \
+    --disable-dev-shm-usage \
+    --ignore-gpu-blocklist \
+    --enable-webgl \
+    --use-gl=angle \
+    --use-angle=swiftshader \
+    --enable-unsafe-swiftshader \
+    --enable-accelerated-2d-canvas \
+    "$@"' > /usr/bin/google-chrome-stable && \
+    chmod +x /usr/bin/google-chrome-stable
+
+    # 1. Add Mozilla PPA and Install Latest Firefox
+RUN apt-get update && apt-get install -y software-properties-common && \
+    add-apt-repository -y ppa:mozillateam/ppa && \
+    echo 'Package: *\nPin: release o=LP-PPA-mozillateam\nPin-Priority: 1001' > /etc/apt/preferences.d/mozilla-firefox && \
+    apt-get update && apt-get install -y firefox
+
+# 2. Create the Firefox WebGL Wrapper
+# We force-enable WebGL so it works without a real Graphics Card
+RUN mv /usr/bin/firefox /usr/bin/firefox-original && \
+    echo '#!/bin/bash\n\
+export MOZ_GFX_SWR_AS_GPU=1\n\
+export MOZ_WEBRENDER=0\n\
+/usr/bin/firefox-original \
+--new-instance \
+--no-remote \
+"$@"' > /usr/bin/firefox && \
+    chmod +x /usr/bin/firefox
+    
+# Final entrypoint
+ENTRYPOINT ["/workspace/entrypoint.sh"]

entrypoint.sh

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+#!/bin/bash
+
+# 1. Force an immediate pull of the dataset before anything else starts
+echo "Pulling permanent storage..."
+python3 -c "
+import os
+from huggingface_hub import snapshot_download
+TOKEN = os.environ.get('HF_TOKEN')
+REPO_ID = 'Sachin5112/Temp-storage'
+snapshot_download(repo_id=REPO_ID, repo_type='dataset', local_dir='/workspace/storage', token=TOKEN)
+"
+
+# 2. Ensure the links are correct
+mkdir -p /workspace/storage/settings/.config
+rm -rf /root/.config
+ln -s /workspace/storage/settings/.config /root/.config
+
+# 3. Now start the background sync script
+python3 -u /workspace/sync.py &
+
+# Add this line to bypass sandbox for most Electron/Chrome apps
+export ELECTRON_DISABLE_SANDBOX=1
+
+# Create a desktop shortcut for Chrome
+mkdir -p /workspace/storage/Desktop
+echo "[Desktop Entry]
+Type=Application
+Name=Google Chrome
+Exec=google-chrome-stable
+Icon=google-chrome
+Terminal=false" > /workspace/storage/Desktop/chrome.desktop
+
+chmod +x /workspace/storage/Desktop/chrome.desktop
+
+# 4. Finally, start the VNC Desktop
+/startup.sh

run.sh

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+#!/bin/bash
+
+# 1. Start the sync script in the background
+# -u makes sure logs show up immediately
+python3 -u /workspace/sync.py &
+
+# 2. Start the VNC desktop (the main process)
+/startup.sh

sync.conf.txt

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+[program:sync]
+command=python3 -u /workspace/sync.py
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/sync.err.log
+stdout_logfile=/var/log/sync.out.log

sync.py

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+import os
+import time
+from huggingface_hub import HfApi, snapshot_download
+
+# --- CONFIG ---
+REPO_ID = "Sachin5112/Temp-storage" 
+LOCAL_DIR = "/workspace/storage" # STICK TO THIS
+TOKEN = os.environ.get("HF_TOKEN")
+
+api = HfApi(token=TOKEN)
+
+def pull():
+    try:
+        if not os.path.exists(LOCAL_DIR):
+            os.makedirs(LOCAL_DIR)
+        print("Pulling data from HF...")
+        snapshot_download(repo_id=REPO_ID, repo_type="dataset", local_dir=LOCAL_DIR, token=TOKEN)
+        print("Pull Success.")
+    except Exception as e:
+        print(f"Pull Error: {e}")
+
+def push():
+    try:
+        print("Checking for changes...")
+        api.upload_folder(
+            folder_path=LOCAL_DIR, 
+            repo_id=REPO_ID, 
+            repo_type="dataset",
+            delete_patterns="*", # This ensures deleted files on VNC are deleted on HF
+        )
+        print("Backup Success.")
+    except Exception as e:
+        print(f"Backup Error: {e}")
+
+pull()
+
+while True:
+    time.sleep(60) # 1 minute is much safer than 1 second
+    push()