Dockerfile

# Build stage
FROM python:3.11-slim as builder

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

# Set work directory
WORKDIR /app

# Install system dependencies for building
RUN apt-get update && apt-get install -y \
    gcc \
    python3-dev \
    musl-dev \
    libpq-dev \
    pkg-config libcairo2-dev libpango1.0-dev libffi-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements* /app/
RUN pip install --upgrade pip && \
    pip install --no-cache-dir -r requirements-prod.txt

# Runtime stage
FROM python:3.11-slim

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

# Set work directory
WORKDIR /app

# Install runtime dependencies only
RUN apt-get update && apt-get install -y \
    postgresql-client \
    libpq5 \
    && rm -rf /var/lib/apt/lists/*

# Copy Python dependencies from builder
COPY --from=builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=builder /usr/local/bin /usr/local/bin

# Copy project
COPY . /app/

# Create socket directory
RUN mkdir -p /run/sockets

# Create staticfiles directory for collected static
RUN mkdir -p /app/staticfiles

# Create media directory
RUN mkdir -p /app/media

# Set permissions
RUN chmod -R 755 /app/staticfiles /app/media

# Copy entrypoint script
COPY entrypoint.sh /app/
RUN chmod +x /app/entrypoint.sh

EXPOSE 8000

ENTRYPOINT ["/app/entrypoint.sh"]