| # Google Maps (outbreak map) | |
| NEXT_PUBLIC_GOOGLE_MAPS_API_KEY=your_key_here | |
| # Phone on same Wi‑Fi — use http:// not https:// (example: http://192.168.0.223:3050) | |
| # Optional: only if you still see a blank page after fixing firewall / same Wi‑Fi: | |
| # NEXT_DEV_ALLOWED_ORIGINS=192.168.1.42 | |
| # (Run: ipconfig getifaddr en0 — must match exactly; restart `npm run dev` after changing.) | |
| # | |
| # If the outbreak map stays blank on the phone, add an HTTP referrer for that URL in | |
| # Google Cloud Console → APIs & Services → Credentials → your browser key → Website restrictions. | |