Dockerfile.django

# Stage 1: Build based requirements
FROM python:3.13-slim AS builder

RUN mkdir /app
WORKDIR /app
 
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

ARG REQ_ENV=prod
RUN pip install --upgrade pip 
COPY requirements/${REQ_ENV}-requirements.txt /app/
RUN pip install pip-tools
RUN pip install --no-cache-dir -r ${REQ_ENV}-requirements.txt
 
# Stage 2: Production stage
FROM python:3.13-slim
 
RUN useradd -m -r appuser && \
  mkdir /app && \
  chown -R appuser /app
 
# Copy the Python dependencies from the builder stage
COPY --from=builder /usr/local/lib/python3.13/site-packages/ /usr/local/lib/python3.13/site-packages/
COPY --from=builder /usr/local/bin/ /usr/local/bin/
 
WORKDIR /app
 
COPY --chown=appuser:appuser static_compiled ./static_compiled
COPY --chown=appuser:appuser media ./media
COPY --chown=appuser:appuser django_app .

# Set environment variables to optimize Python
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1 
 
USER appuser

EXPOSE 8000 
 
# Start the application using Gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "3", "citycouncil.wsgi:application"]