Map pattern · POC

Rome

Tiles: MapTiler (maptiler.com) — commercial CDN, free tier 100k loads/month. Styles: Streets v2, Satellite, Topo v2.
Renderer: MapLibre GL 4 (same as Provider A). Only the tile source changes.
Key handling: MAPTILER_KEY is read server-side; style URLs are injected into the page via a JSON element — the key does not appear in the JS bundle.
Key setup: Add MAPTILER_KEY=your_key to .env . Get a free key at <a href="https://cloud.maptiler.com/account/keys" target="_blank" rel="noopener" style="color:var(--mnh-indigo);font-weight:600">cloud.maptiler.com/account/keys .
Satellite style: Aerial imagery — polygon overlays and markers still render on top.

MapLibre GL + MapTiler CDN — 20 markers, 4 layers, 2 polygon overlays. Pan, zoom, click. API key required

Provider: MapTiler (free tier · CDN) Compare: OpenFreeMap Mapbox

3D and Street View powered by Google Maps — free forever via Maps Embed API. No API key required.