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fix(geo): read the Nominatim override the way the schema validates it

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Follow-up to #2379.

NOMINATIM_URL arrives from a compose file or a ConfigMap with whatever
whitespace was typed around it. The schema validates the trimmed string and
calls a blank one unset, the derivation did neither, so " " passed startup as
"use the default" and then became the base URL that cannot be fetched, and a
padded value lost every geocoding call the same way. It trims now, which is
also what the places client next door does with its own override.

The chart could not pass the variable at all: the ConfigMap is an allowlist and
an unknown key is dropped without a word, which is exactly the locked-down
cluster the override exists for.

The docs said what to set and not what it costs. They now say that it replaces
the public service with no fallback, that the endpoint has to speak the
Nominatim API, and that the one-per-second spacing stays either way, so nobody
stands up their own instance expecting it to run faster.

Test IDs follow the file again.
This commit is contained in:
Maurice
2026-09-16 11:08:07 +02:00
parent c0195557d4
commit 61a8a2765b
8 changed files with 65 additions and 24 deletions
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server/.env.example
+1 -1
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@@ -49,7 +49,7 @@ DEMO_MODE=false # Demo mode - resets data hourly
# MCP_RATE_LIMIT=300 # Max MCP API requests per user per minute (default: 300)
# MCP_MAX_SESSION_PER_USER=20 # Max concurrent MCP sessions per user (default: 20)
# NOMINATIM_URL=https://nominatim.openstreetmap.org # Custom HTTP(S) Nominatim base URL for maps and Atlas geocoding. Unset/blank uses the public default.
# NOMINATIM_URL=https://nominatim.openstreetmap.org # Custom HTTP(S) Nominatim base URL for every geocoding call the server makes: place search, reverse lookup, place details and the Atlas region fill. When set it REPLACES the public service with no fallback, so whatever answers has to speak the Nominatim API (/search, /reverse, /lookup) and hold the coverage you expect. TREK keeps its ~1 request per second spacing whichever instance answers. Unset/blank uses the public default.
# OVERPASS_URL= # Custom Overpass endpoint(s) for the map POI "explore" search, comma-separated. When set, REPLACES the bundled public mirrors — point it at an internal/self-hosted Overpass instance when the public ones are unreachable from your network. Non-http(s) entries are ignored. If you don't self-host Overpass but the public mirrors throttle you, setting APP_URL also gives outbound requests a unique User-Agent the mirrors rate-limit less.
# OVERPASS_TIMEOUT_MS=12000 # Per-endpoint timeout (ms) for Overpass POI requests; slower endpoints are abandoned so a faster mirror wins. Raise it for a slow self-hosted instance. (default: 12000)