Dockerfile

FROM python:3.11-slim

# Install Docker CLI only (not daemon)
RUN apt-get update && apt-get install -y \
    curl \
    gnupg \
    lsb-release \
    && mkdir -p /etc/apt/keyrings \
    && curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null \
    && apt-get update \
    && apt-get install -y docker-ce-cli \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application
COPY . .

# Install the package
RUN pip install -e .

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

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

# Run backend (serves both API and static frontend)
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]