FROM python:3.12-slim

WORKDIR /app

# Copy project definition first (layer-cached separately from source)
COPY pyproject.toml ./
COPY src/ src/

# All dependencies have pre-built wheels — no compiler needed
RUN pip install --no-cache-dir -e .

# Cache lives here — mount a named volume to persist across container runs
VOLUME ["/root/.local/share/character_details"]

# MCP servers communicate over stdio; no port needed
CMD ["character-details"]