MCP Memory Service

## Slim (CPU-only) Docker image optimized for sqlite-vec + ONNX ## Consolidated as the primary Dockerfile to avoid confusion. FROM python:3.12-slim # Build arguments for conditional features ARG SKIP_MODEL_DOWNLOAD=false ARG PLATFORM=linux/amd64 ARG INSTALL_EXTRA="[sqlite]" # Set environment variables ENV PYTHONUNBUFFERED=1 \ MCP_MEMORY_STORAGE_BACKEND=sqlite_vec \ MCP_MEMORY_SQLITE_PATH=/app/sqlite_db \ MCP_MEMORY_BACKUPS_PATH=/app/backups \ PYTHONPATH=/app/src \ DOCKER_CONTAINER=1 \ CHROMA_TELEMETRY_IMPL=none \ ANONYMIZED_TELEMETRY=false \ HF_HUB_DISABLE_TELEMETRY=1 # Set the working directory WORKDIR /app # Minimal system packages with security updates RUN apt-get update && \ apt-get install -y --no-install-recommends \ curl \ bash \ && apt-get upgrade -y \ && rm -rf /var/lib/apt/lists/* \ && apt-get clean # Copy essential files COPY pyproject.toml . COPY uv.lock . COPY README.md . COPY scripts/installation/install_uv.py . # Install UV RUN python install_uv.py # Create directories for data persistence RUN mkdir -p /app/sqlite_db /app/backups # Copy source code COPY src/ /app/src/ COPY run_server.py ./ # Copy utility scripts if they exist COPY scripts/utils/uv_wrapper.py ./uv_wrapper.py COPY scripts/utils/memory_wrapper_uv.py ./memory_wrapper_uv.py # Copy Docker entrypoint scripts COPY tools/docker/docker-entrypoint.sh /usr/local/bin/ COPY tools/docker/docker-entrypoint-persistent.sh /usr/local/bin/ COPY tools/docker/docker-entrypoint-unified.sh /usr/local/bin/ # Install the package with UV (configurable dependency group) RUN python -m uv pip install -e .${INSTALL_EXTRA} # Conditionally pre-download ONNX models for lightweight embedding RUN if [ "$SKIP_MODEL_DOWNLOAD" != "true" ]; then \ echo "Pre-downloading ONNX embedding models..." && \ python -c "try:\ import onnxruntime as ort; \ print('ONNX runtime available for lightweight embeddings'); \ print('ONNX models will be downloaded at runtime as needed')\ except Exception as e:\ print(f'Warning: ONNX runtime not available: {e}'); \ print('Embedding functionality may be limited')" || echo "ONNX check failed, continuing..."; \ else \ echo "Skipping model download (SKIP_MODEL_DOWNLOAD=true)"; \ fi # Configure stdio for MCP communication and make entrypoints executable RUN chmod a+rw /dev/stdin /dev/stdout /dev/stderr && \ chmod +x /usr/local/bin/docker-entrypoint.sh && \ chmod +x /usr/local/bin/docker-entrypoint-persistent.sh && \ chmod +x /usr/local/bin/docker-entrypoint-unified.sh # Add volume mount points for data persistence VOLUME ["/app/sqlite_db", "/app/backups"] # Expose the port (if needed) EXPOSE 8000 # Use the unified entrypoint script by default # Can be overridden with docker-entrypoint.sh for backward compatibility ENTRYPOINT ["/usr/local/bin/docker-entrypoint-unified.sh"]