Dockerfile

# Multi-stage build for arq-dashboard
FROM python:3.10-slim as builder

WORKDIR /app

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

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

# Final stage
FROM python:3.10-slim

WORKDIR /app

# Copy Python dependencies from builder
COPY --from=builder /root/.local /root/.local

# Copy application code
COPY arq_admin/ ./arq_admin/
COPY setup.py .
COPY README.md .
COPY requirements.txt .
COPY docker_settings.py .
COPY docker_urls.py .
COPY docker_wsgi.py .
COPY docker_middleware.py .

# Make sure scripts in .local are usable
ENV PATH=/root/.local/bin:$PATH

# Install the package
RUN pip install --no-cache-dir -e .

# Expose Django default port
EXPOSE 8000

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV DJANGO_SETTINGS_MODULE=docker_settings

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import sys; sys.exit(0)"

# Initialize database and run server
CMD python -m django migrate --noinput && \
    python -m django collectstatic --noinput && \
    python -m django runserver 0.0.0.0:8000