FROM python:3.14-slim-bookworm

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    DJANGO_SETTINGS_MODULE=config.settings

# Set work directory
WORKDIR /app

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

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy project files
COPY . .

# Create necessary directories
RUN mkdir -p /app/staticfiles /app/static /app/media

# Collect static files
RUN python manage.py collectstatic --noinput

# Create a non-root user
RUN addgroup --system app && adduser --system --group app
RUN chown -R app:app /app

USER app

EXPOSE 8000

# Use Daphne for WebSocket support
CMD ["daphne", "-b", "0.0.0.0", "-p", "8000", "config.asgi:application"]