# Use a lightweight Python base image
FROM python:3.11.6-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Install dependencies
WORKDIR /app
COPY requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

# Install Gunicorn
RUN pip install gunicorn

# Copy app files
COPY . /app

# Expose the port Flask will run on
EXPOSE 5000

# Run the app with Gunicorn
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]