Geospatial & Routing Engine Architecture: Go & Graphhopper on Lê Tuấn Anh — Go Backend Architect & Microservices Engineerhttps://tanhdev.com/series/routing-geospatial-architecture/Recent content in Geospatial & Routing Engine Architecture: Go & Graphhopper on Lê Tuấn Anh — Go Backend Architect & Microservices EngineerHugoen-usMon, 15 Jun 2026 19:30:00 +0700Executive Summary — The Big Picture of Geospatial & Routing Architecturehttps://tanhdev.com/series/routing-geospatial-architecture/executive-summary/Sun, 14 Jun 2026 22:35:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/executive-summary/A high-level architectural overview of a scalable Routing Engine and Distance Matrix API using Golang, Graphhopper, Redis, and Uber H3.Part 8: Zero-Downtime Map Updates & Multi-Region Kuberneteshttps://tanhdev.com/series/routing-geospatial-architecture/part-8-zero-downtime-k8s/Mon, 15 Jun 2026 19:30:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-8-zero-downtime-k8s/The Grand Finale. How to deploy a Stateful Routing Engine to Kubernetes with Argo Rollouts, Geo DNS, and survive OOMKilled and 502 Bad Gateway errors.Part 7: Load Testing and Performance Tuning for Productionhttps://tanhdev.com/series/routing-geospatial-architecture/part-7-load-testing-production/Mon, 15 Jun 2026 07:20:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-7-load-testing-production/How to survive 20,000 requests per second. We uncover Linux Kernel network tuning, K6 Coordinated Omission, and Golang CPU bottlenecks.Part 6: Location Clustering with Uber H3 & Redis Semantic Cachinghttps://tanhdev.com/series/routing-geospatial-architecture/part-6-redis-semantic-caching/Mon, 15 Jun 2026 07:15:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-6-redis-semantic-caching/How to achieve an 80% Cache Hit Rate on a Distance Matrix API. We cover Semantic Caching, Cache Stampedes (XFetch), Hot Keys, and Redis Pipelining.Part 5: Route Visualization UI with Mapbox & Deck.glhttps://tanhdev.com/series/routing-geospatial-architecture/part-5-visualization-ui/Sun, 14 Jun 2026 23:05:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-5-visualization-ui/Visualizing 100,000 vehicle paths without freezing the browser. Unlocking WebGL GPU rendering with Deck.gl and Mapbox.Part 4: Golang API & Microservices Integration (Kratos & Dapr)https://tanhdev.com/series/routing-geospatial-architecture/part-4-golang-microservices/Sun, 14 Jun 2026 23:00:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-4-golang-microservices/How to build a bulletproof Golang API Gateway that talks to Graphhopper. We cover Circuit Breakers, Protobuf GC optimization, and Dapr asynchronous routing.Part 3: Spatial Indexing (Uber H3, PostGIS & Redis GEO)https://tanhdev.com/series/routing-geospatial-architecture/part-3-spatial-indexing/Sun, 14 Jun 2026 22:50:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-3-spatial-indexing/Why pumping 10,000 raw coordinates into a routing engine will crash your servers, and how Spatial Indexing acts as the critical 'pre-filter' for driver dispatching.Part 2: Zero to Hero Environment Setup (Docker, OSM, Golang)https://tanhdev.com/series/routing-geospatial-architecture/part-2-environment-setup/Sun, 14 Jun 2026 22:45:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-2-environment-setup/A complete, production-ready guide to setting up a local Graphhopper routing engine with OpenStreetMap data and a high-performance Golang API client.Part 1: Core Algorithms (A*, Dijkstra) Visualized - Routing Architecture Masterclasshttps://tanhdev.com/series/routing-geospatial-architecture/part-1-core-algorithms/Sun, 14 Jun 2026 22:35:00 +0700https://tanhdev.com/series/routing-geospatial-architecture/part-1-core-algorithms/A deep dive into the core algorithms powering modern logistics. Learn why Dijkstra beats A* for Distance Matrices and how Contraction Hierarchies work.