adjust Dockerfile accordingly

Dockerfile

@@ -1,20 +1,29 @@
-FROM python:3.13.5-slim
+FROM python:3.11-slim
 
 WORKDIR /app
 
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
     git \
     && rm -rf /var/lib/apt/lists/*
 
+# Copy requirements first (for better Docker layer caching)
 COPY requirements.txt ./
-COPY src/ ./src/
 
-RUN pip3 install -r requirements.txt
+# Install Python dependencies
+RUN pip3 install --no-cache-dir -r requirements.txt
 
+# Copy all application files (excluding .dockerignore patterns)
+COPY . .
+
+# Expose Streamlit port (HF Spaces maps to 7860 automatically)
 EXPOSE 8501
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Health check for Streamlit
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD curl --fail http://localhost:8501/_stcore/health || exit 1
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# Run Streamlit app
+ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.headless", "true"]