The Dominant Programmer

Jun 3, 2026 · Backend Development

Building a LangGraph‑Style YAML DSL Workflow Engine with Spring AI

This article walks through constructing a lightweight YAML‑based DSL workflow engine on Spring AI 1.1.2 and Ollama, showing how to define state graphs, register tools, parse and execute nodes—including conditional edges, while loops, and parallel branches—without external orchestration tools.