Update Dockerfile

Dockerfile

@@ -12,8 +12,13 @@ EXPOSE 8080
 # Set the working directory
 WORKDIR /app/backend
 
-# Make sure the start.sh script is executable
-RUN chmod +x start.sh
+# Make sure the start.sh script is executable and set permissions for the database directory
+RUN chmod +x start.sh && \
+    mkdir -p /app/backend/data && \
+    chown -R nobody:nogroup /app/backend/data
+
+# Switch to a non-root user
+USER nobody
 
 # Run the start.sh script
 CMD ["./start.sh"]