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Collaborative real-time friend-finding navigation for events
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Jeff Emmett 2d960a53f2 fix: Send join message after WebSocket connects 
The join() was called before connect(), so the join message was never
sent to the server. Now we store the participant and send the join
message in the WebSocket onopen handler.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 		2025-12-26 20:39:44 -05:00
backlog feat: Add WebSocket sync server for real-time location sharing 2025-12-25 22:00:55 -05:00
public Add real-time sync, c3nav integration, and PWA icons 2025-12-15 12:50:28 -05:00
src fix: Send join message after WebSocket connects 2025-12-26 20:39:44 -05:00
sync-server feat: Add WebSocket sync server for real-time location sharing 2025-12-25 22:00:55 -05:00
.env.example feat: Add WebSocket sync server for real-time location sharing 2025-12-25 22:00:55 -05:00
.gitignore Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
Dockerfile Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
README.md Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
docker-compose.yml Simplify Traefik labels for compatibility 2025-12-15 14:33:28 -05:00
next.config.js Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
package-lock.json Replace Automerge with simple WebSocket sync 2025-12-15 12:59:22 -05:00
package.json Replace Automerge with simple WebSocket sync 2025-12-15 12:59:22 -05:00
postcss.config.js Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
tailwind.config.ts Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00
tsconfig.json Initial scaffold for rMaps.online 2025-12-15 12:23:13 -05:00

README.md

rMaps.online

Collaborative real-time friend-finding navigation for events.

Features

  • Real-time GPS Sharing: See your friends' locations on the map
  • Privacy-First: Control who sees your location and at what precision
  • c3nav Integration: Indoor navigation for CCC events (38C3, Easterhegg, Camp)
  • Ephemeral Rooms: Create a room, share the link, meet up
  • No Account Required: Just enter your name and go

Quick Start

# Install dependencies
npm install

# Run development server
npm run dev

Open http://localhost:3000

Architecture

┌─────────────────────────────────────────────────┐
│                  rMaps.online                    │
├─────────────────────────────────────────────────┤
│  Frontend: Next.js + React + MapLibre GL        │
│  State: Zustand + Automerge (CRDT)              │
│  Maps: OpenStreetMap (outdoor) + c3nav (indoor) │
│  Sync: WebSocket / Automerge Repo               │
└─────────────────────────────────────────────────┘

Room URLs

  • Path-based: rmaps.online/room/my-crew
  • Subdomain (planned): my-crew.rmaps.online

c3nav Integration

rMaps integrates with c3nav for indoor navigation at CCC events:

  • Automatic detection when entering venue area
  • Indoor positioning via WiFi/BLE
  • Floor-aware navigation
  • Route planning to friends, events, and POIs

Development

# Type checking
npm run type-check

# Linting
npm run lint

# Build for production
npm run build

Deployment

Docker

docker compose up -d --build

Traefik Labels

The docker-compose.yml includes Traefik labels for:

  • Main domain routing (rmaps.online)
  • Wildcard subdomain routing (*.rmaps.online)

Privacy

  • No tracking: We don't store location history
  • Ephemeral rooms: Auto-delete after 7 days of inactivity
  • Precision control: Choose how accurately to share your location
  • Ghost mode: Hide your location while staying in the room

License

MIT