# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /app

# Copy the requirements file into the container
COPY requirements.txt .

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy the backend code into the container
COPY . .

# Expose port 7860 (Hugging Face Default)
EXPOSE 7860

# Define environment variables (Can be overridden by HF Settings)
ENV FLASK_APP=app.py
ENV FLASK_RUN_HOST=0.0.0.0
ENV FLASK_RUN_PORT=7860

# Run app.py when the container launches
CMD ["python", "app.py"]