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Maurice
005e0c109d
Builds on @Hardik-369's instance-specific User-Agent idea and reworks the rest of the #1309 fix: - keep the unique User-Agent (buildUserAgent) — a shared UA gets the public Overpass mirrors to rate-limit harder; it appends the configured instance URL and is applied to every Nominatim/Overpass/Wikimedia call - add OVERPASS_URL so an operator behind locked-down egress (e.g. a Kubernetes cluster) can point the explore search at an internal/self-hosted Overpass instance instead of the public mirrors - keep the per-endpoint timeout default at 12s but make it tunable via OVERPASS_TIMEOUT_MS for slow self-hosted instances; non-positive/invalid values fall back to the default rather than 502-ing every search at a 0ms cap - log each endpoint's failure reason before the 502 so blocked egress is diagnosable instead of a bare "Overpass request failed" Adds unit tests for the User-Agent, endpoint and timeout resolution plus the all-mirrors-down path, and documents the two new env vars in .env.example, the wiki and the Helm chart.