Update Dockerfile

Dockerfile

@@ -8,8 +8,14 @@ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 RUN apt-get update && apt-get install ffmpeg libsm6 libxext6  -y
 
-RUN mkdir -p /code/uploads /code/heatmaps /code/segmentations /code/tables /code/cell_descriptors
-RUN chmod -R 777 /code/uploads /code/heatmaps /code/segmentations /code/tables /code/cell_descriptors
+# Create a user and group with specific UID and GID
+RUN groupadd -r appuser && useradd -r -g appuser appuser
+
+# Change ownership of the /code directory to the new user
+RUN chown -R appuser:appuser /code
+
+# Switch to the new user
+USER appuser
 
 COPY . .