# Use an official Python runtime as a parent image
FROM python:3.10-slim

# Set the working directory in the container
WORKDIR /code

# Copy the requirements file into the container at /code
COPY ./requirements.txt /code/requirements.txt

# Install any needed packages specified in requirements.txt
# Use --no-cache-dir to reduce image size
# Install libgl1 for OpenCV headless dependencies
RUN apt-get update && apt-get install -y libgl1 \
    && pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r /code/requirements.txt

# Copy the rest of the application code into the container at /code
COPY ./app /code/app

# Command to run the application when the container launches
# Binds to 0.0.0.0 to be accessible from outside the container
# The port 7860 is the standard port for Hugging Face Spaces
CMD ["uvicorn", "app.backend.main:app", "--host", "0.0.0.0", "--port", "7860"]