chore: import upstream snapshot with attribution

Dockerfile

@@ -0,0 +1,25 @@
+# graphify MCP server as a shared HTTP service (issue #1143).
+#
+# Build:  docker build -t graphify .
+# Run:    docker run -p 8080:8080 -v "$(pwd)/graphify-out:/data" graphify \
+#             /data/graph.json --transport http --host 0.0.0.0 --api-key "$SECRET"
+#
+# Builds from source so the image includes the Streamable HTTP transport even
+# before it lands on PyPI. The graph.json is mounted at runtime (-v), never
+# baked into the image.
+FROM python:3.12-slim
+
+WORKDIR /app
+COPY . /app
+
+# The [mcp] extra pulls mcp + starlette + uvicorn, which the HTTP transport needs.
+RUN pip install --no-cache-dir ".[mcp]"
+
+# Run as a non-root user — the server is network-exposed.
+RUN useradd --create-home --uid 10001 graphify
+USER graphify
+
+EXPOSE 8080
+
+ENTRYPOINT ["python", "-m", "graphify.serve"]
+CMD ["/data/graph.json", "--transport", "http", "--host", "0.0.0.0", "--port", "8080"]