Dockerfile

FROM python:3.12-slim

# System dependencies for git worktrees and health checks
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies first (better layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create non-root user for security
RUN useradd -m -s /bin/bash agent42 && \
    mkdir -p /app/.agent42 && \
    chown -R agent42:agent42 /app
USER agent42

# Default port
EXPOSE 8000

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

CMD ["python", "agent42.py"]