FROM python:3.13-slim

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

# Set work directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential libpq-dev postgresql-client curl \
    && rm -rf /var/lib/apt/lists/*

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

# Copy project files
COPY . .

# Expose ports
EXPOSE 8000

# Default command is daphne
CMD ["daphne", "-b", "0.0.0.0", "-p", "8000", "backend.asgi:application"]
