complete overhaul

.env.example

@@ -0,0 +1,15 @@
+# Web app configuration
+PORT=8080
+
+# Routing backend (Valhalla)
+# When using docker-compose, the service is named `valhalla` and exposes 8002
+VALHALLA_URL=http://valhalla:8002/route
+
+# Geocoding (Nominatim)
+# Defaults to the public Nominatim instance if not set
+# NOMINATIM_URL=https://nominatim.openstreetmap.org
+# Per Nominatim policy, set a descriptive User-Agent including contact URL or email
+NOMINATIM_USER_AGENT=FreeMoto/1.0 (+https://fm.ztsw.de/)
+
+# Logging verbosity: debug, info, warn, error
+LOG_LEVEL=info