# Use a slim Python image
FROM python:3.11-slim

# Prevent Python from writing .pyc files and enable unbuffered logging
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

EXPOSE 5001

# Increase timeout to 5 minutes (300s) and use threads to handle long waits
CMD ["gunicorn", "--bind", "0.0.0.0:5001", "--timeout", "300", "--worker-class", "gthread", "--threads", "4", "app:app"]