Part 2: Zero to Hero Environment Setup (Docker, OSM, Golang)

Setting up a local routing engine is notoriously difficult. Most generic tutorials offer a basic Docker command that crashes silently, leaving developers confused. In this guide, we bypass the basic “Hello World” setups. We will build a production-grade local environment integrating OpenStreetMap (OSM) data, a properly tuned Graphhopper (Java) Docker container, and a high-concurrency Golang API Gateway. 1. Downloading and Cropping Map Data Answer-first: Download raw OpenStreetMap data in .osm.pbf format from the Geofabrik server. To save gigabytes of RAM during local development, use osmium extract to crop the massive country-level map down to a single city bounding box. ...

June 14, 2026 · 5 min · Lê Tuấn Anh

Production Agentic AI Swarm: OpenClaw & LiteLLM

Answer-first: Orchestrate a resilient, 24/7 autonomous AI swarm by decoupling agent execution from LLM providers using LiteLLM as an API gateway. Handle rate limits via key-pooling and automatic fallbacks, manage agent tasks with OpenClaw, and isolate container permissions using Docker cap_drop to mitigate SSRF and prompt injection risks. What You’ll Learn That AI Won’t Tell You Docker cap-drop security patterns that protect local credentials from AI agents. Setting up model fallbacks and pool-key routing in LiteLLM to bypass API rate limits. The era of simple, conversational AI chatbots is over. In 2026, the industry has aggressively shifted toward Agentic AI—autonomous systems capable of planning, executing, and iterating on multi-step workflows without constant human supervision. (For a deeper dive into these Agentic System Architecture principles, see our Agentic System Architecture masterclass). ...

May 17, 2026 · 8 min · Lê Tuấn Anh