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

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1
ENV PYTHONPATH=/app

# Set work directory
WORKDIR /app

# Install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
RUN pip install gunicorn

# Copy project files
COPY . .

# Expose the port Flask runs on
EXPOSE 5000

# Set environment variable for Flask
ENV FLASK_APP=app.py
ENV FLASK_ENV=production

# Run the application with gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--chdir", "/app", "app:app"]