Bulding website containing Geospatial data analysis and visualization

Building a website for lost and found items, using the following tools :

PostGIS (ST_Intersects):
For matching between location data of lost and found announcements.

Leaflet.js.
JavaScript library for interactive maps.

Openstreetmap:
The base map.

OSRM / Leaflet Routing Machine:
For routing.

Turf.js:
(Buffer transformation) for client side visualization of the buffer.

Nominatim:
For geocoding and reverse geocoding.

Geoplugin (IP Geolocation):
For identifying website visitor country by IP address.

Draggable JavaScript library from Shopify:
For rearranging route waypoints