Dockerfile

# Use Python 3.11 slim image
FROM python:3.11-slim

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

# Set work directory
WORKDIR /app

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

# Copy dependency files
COPY pyproject.toml ./

# Install Python dependencies using pip
RUN pip install --no-cache-dir -e .

# Copy project
COPY . .

# Set environment variables for collectstatic
ENV DJANGO_SETTINGS_MODULE=capstone_django.settings
ENV ENVIRONMENT=production

# Collect static files before switching to non-root user
RUN python manage.py collectstatic --noinput

# Create a non-root user
RUN adduser --disabled-password --gecos '' appuser && chown -R appuser:appuser /app
USER appuser

# Expose port (match Cloud Run --port)
EXPOSE 8080

# Health check (adjusted for Django readiness)
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=5 \
    CMD curl -f http://localhost:8080/health || exit 1

# Run the application on port 8080
CMD ["gunicorn", "--bind", "0.0.0.0:8080", "--workers", "3", "capstone_django.wsgi:application"]