# Use official lightweight Python image
FROM python:3.11-slim

# Prevent Python from writing pyc files
ENV PYTHONDONTWRITEBYTECODE=1

# Prevent Python from buffering stdout/stderr
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

# Install dependencies
COPY requirements.txt .

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

# Copy application code
COPY . .

# Expose port
EXPOSE 7860

# Run app using Gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]