FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
  gcc \
  libpq-dev \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
RUN pip install gunicorn psycopg2-binary redis

# Copy application code
COPY . .

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

# Run the application
CMD ["gunicorn", "-w", "4", "-b", ":8000", "app:create_app()"]