Dockerfile.prod

# Multi-stage build for production
FROM python:3.11-slim as builder

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

# Install system dependencies required for building
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    python3-dev \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Create and use non-root user
RUN groupadd -r django && useradd -r -g django django

# Set work directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY requirements.txt /app/
RUN pip install --user --no-cache-dir -r requirements.txt

# Production stage
FROM python:3.11-slim as production

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PATH="/home/django/.local/bin:$PATH"

# Install only runtime dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpq5 \
    libmagic1 \
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    netcat-openbsd \
    curl \
    && rm -rf /var/lib/apt/lists/* \
    && apt-get clean

# Create and use non-root user
RUN groupadd -r django && useradd -r -g django django

# Set work directory
WORKDIR /app

# Copy Python dependencies from builder stage
COPY --from=builder --chown=django:django /root/.local /home/django/.local

# Copy application code
COPY --chown=django:django . /app/

# Make entrypoint scripts executable
RUN chmod +x /app/bin/*.sh

# Create directories for static files and media
RUN mkdir -p /app/staticfiles /app/media && \
    chown -R django:django /app/staticfiles /app/media

# Switch to non-root user
USER django

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/api/health/ || exit 1

EXPOSE 8000

# Default command
CMD ["/app/bin/production_entrypoint.sh"]