AACT Clinical Trials MCP Server

# Efficient multi-stage build using official uv image # Stage 1: Build dependencies with uv FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS builder # Set working directory WORKDIR /app # Enable bytecode compilation for faster startup ENV UV_COMPILE_BYTECODE=1 \ UV_LINK_MODE=copy \ UV_PYTHON_DOWNLOADS=never # Install system build dependencies (only for psycopg2) RUN apt-get update && apt-get install -y --no-install-recommends \ gcc \ python3-dev \ libpq-dev \ && rm -rf /var/lib/apt/lists/* # Copy dependency files first (better caching) COPY pyproject.toml uv.lock ./ # Install dependencies using uv sync (creates .venv automatically) RUN uv sync --frozen --no-dev # Copy source code COPY src/ ./src/ COPY README.md ./ # The package is already installed via uv sync # Fix shebangs to point to correct location after copy RUN sed -i 's|#!/app/.venv/bin/python|#!/opt/venv/bin/python|' /app/.venv/bin/* # Stage 2: Minimal runtime image FROM python:3.12-slim # Install only PostgreSQL runtime library RUN apt-get update && \ apt-get install -y --no-install-recommends libpq5 && \ apt-get clean && \ rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* # Create non-root user RUN useradd -m -u 1000 mcpuser # Copy virtual environment from builder (uv creates .venv by default) COPY --from=builder --chown=mcpuser:mcpuser /app/.venv /opt/venv # Also copy the source code since it's referenced COPY --from=builder --chown=mcpuser:mcpuser /app/src /opt/venv/lib/python3.12/site-packages/src # Set environment ENV PATH="/opt/venv/bin:$PATH" \ PYTHONUNBUFFERED=1 \ PYTHONDONTWRITEBYTECODE=1 # Switch to non-root user USER mcpuser WORKDIR /home/mcpuser # Health check HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ CMD python -c "import psycopg2; print('healthy')" || exit 1 # Entry point ENTRYPOINT ["mcp-server-aact"] CMD []