# Use a standard Python image
FROM python:3.9-slim

# Set the working directory
WORKDIR /app

# Copy the requirements file and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application script
COPY app.py .

# Command to run the Streamlit app
# This is the industry standard for HF Streamlit Docker deployments
CMD ["streamlit", "run", "app.py"]