Dockerfile

# Stage 1: Builder
FROM python:3.11-slim AS builder

WORKDIR /app

# Install build dependencies for pyswisseph (C extension)
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    make \
    && rm -rf /var/lib/apt/lists/*

# Install uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv

# Copy dependency files and source (needed for hatchling to build)
COPY pyproject.toml uv.lock README.md ./
COPY src/ src/

# Install dependencies with frozen lockfile (reproducible)
RUN uv sync --frozen --no-dev --no-editable

# Stage 2: Runtime
FROM python:3.11-slim

WORKDIR /app

# Copy virtual environment from builder
COPY --from=builder /app/.venv /app/.venv

# Copy source code
COPY --from=builder /app/src /app/src

# Use the virtual environment
ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONPATH="/app/src"

# Run the MCP server
CMD ["python", "-m", "ephemeris_mcp.server"]