chore: Add script to start Jupyter Lab server and copy notebooks to data directory

start_server.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Ensure /data exists and has the correct permissions
+if [ ! -d /data ]; then
+    sudo mkdir -p /data
+    sudo chown user:user /data
+fi
+
+# Copy notebooks to /data, appending _UPDATED to filenames if they already exist
+shopt -s globstar
+for file in /home/user/notebooks/**/*; do
+    if [ -f "$file" ]; then
+        relative_path="${file#/home/user/notebooks/}"
+        target_file="/data/$relative_path"
+        target_dir=$(dirname "$target_file")
+        if [ ! -d "$target_dir" ]; then
+            mkdir -p "$target_dir"
+        fi
+        if [ -e "$target_file" ]; then
+            new_filename="${target_file%.*}_UPDATED.${target_file##*.}"
+            target_file="$new_filename"
+        fi
+        cp "$file" "$target_file"
+    fi
+done
+
+JUPYTER_TOKEN="${JUPYTER_TOKEN:=huggingface}"
+
+echo "Starting Jupyter Lab with token $JUPYTER_TOKEN"
+
+NOTEBOOK_DIR="/data"
+
+jupyter-lab \
+    --ip 0.0.0.0 \
+    --port 7860 \
+    --no-browser \
+    --allow-root \
+    --ServerApp.token="$JUPYTER_TOKEN" \
+    --ServerApp.tornado_settings="{'headers': {'Content-Security-Policy': 'frame-ancestors *'}}" \
+    --ServerApp.cookie_options="{'SameSite': 'None', 'Secure': True}" \
+    --ServerApp.disable_check_xsrf=True \
+    --LabApp.news_url=None \
+    --LabApp.check_for_updates_class="jupyterlab.NeverCheckForUpdate" \
+    --notebook-dir=$NOTEBOOK_DIR