speed up POI retrieval by custom overpass api url (#596)

* speed up POI retrieval by custom overpass api url

* consistent overpass api url default

* switches default to overpass-api.de

---------

Co-authored-by: Christian Beutel <>

web/Dockerfile

@@ -16,5 +16,6 @@ ENV MEILI_URL=http://127.0.0.1:7700
 ENV PUBLIC_DISABLE_SIGNUP=false
 ENV UPLOAD_USER=
 ENV UPLOAD_PASSWORD=
+ENV PUBLIC_OVERPASS_API_URL=
 
 CMD crond && node build

web/src/lib/vendor/maplibre-layer-manager/overpass-layer.ts

@@ -9,9 +9,10 @@ import * as M from "maplibre-gl";
 import { type LngLatBounds, type MapMouseEvent, type StyleSpecification } from "maplibre-gl";
 import { pois, type BaseLayer, type MapState } from "./layers";
 import type { OverpassResponse } from "./types";
+import { env } from '$env/dynamic/public'
 
 export class OverpassLayer implements BaseLayer {
-    private overpassApiURL: string = "https://overpass.private.coffee/api/interpreter"
+    private overpassApiURL: string = (env.PUBLIC_OVERPASS_API_URL && env.PUBLIC_OVERPASS_API_URL.length > 0 ? env.PUBLIC_OVERPASS_API_URL : "https://overpass-api.de") + "/api/interpreter";
 
     data: GeoJSON.FeatureCollection = ({ type: 'FeatureCollection', features: [] });