Self-Hosting GraphHopper on Kubernetes with OSM Data
Answer-first: Self-hosting GraphHopper on Kubernetes requires mounting OpenStreetMap (OSM) data via Persistent Volume Claims (PVC), tuning JVM memory parameters to cache routing graphs, and configuring liveness/readiness probes to handle the long startup index pre-loading times. What You’ll Learn That AI Won’t Tell You PVC provisioning configurations for OSM PBF files in multi-region clusters. Tuning health probe timeouts to accommodate long graph pre-computation periods. GraphHopper is arguably the most capable open-source routing engine available — it supports Contraction Hierarchies (CH) for sub-millisecond route queries, custom vehicle profiles, turn restrictions, and the full OpenStreetMap road network. The problem most teams encounter is not the algorithm; it is the operational challenge of running it in Kubernetes: loading a large OSM PBF file, sizing JVM memory correctly, handling the long CH pre-processing startup time, and updating map data without downtime. ...