Update Dockerfile

Dockerfile

@@ -1,6 +1,10 @@
 # Use official Python image
 FROM python:3.12-slim
 
+# Install system dependencies for pandas and other packages
+RUN apt-get update && \
+    apt-get install -y gcc g++ libpq-dev python3-dev libffi-dev build-essential
+
 # Set up a new user to avoid permission issues
 RUN useradd -m -u 1000 user
 USER user
@@ -17,7 +21,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy app code
 COPY --chown=user . .
 
-# Expose the app on port 7860 (as specified in README)
+# Expose the app on port 7860
 EXPOSE 7860
 
 # Command to run the app