# Use an official lightweight Python image
FROM python:3.9-slim

# Set the working directory inside the container
WORKDIR /app

# Copy the requirements file first to take advantage of Docker caching
COPY requirements.txt .

# Install the dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY . .

# Expose the port Streamlit will run on (Hugging Face Spaces uses 7860)
EXPOSE 7860

# Command to run the Streamlit app
# We bind to 0.0.0.0 and port 7860 for cloud compatibility
CMD ["streamlit", "run", "app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]