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Maurice
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**A saved stay left an invisible sheet standing, and the day swipe stayed dead behind it.** The stay sheet reopened 'rtstop' by spreading its own payload, which carries a place id. That sheet is located by day and assignment, so it resolved to nothing and drew nothing, while `shell.sheet` still pointed at it and `menuOpen: !!shell.sheet` kept the day swipe blocked until something else closed it. The row rides along now, both ways, and with no row to go back to the sheet closes rather than opening one that resolves to nothing. **"End the day here" showed off for a day that already ends there, and switching it on deleted that day end.** Two things close a day: the stop's own flag and a manual boundary filed against it. The writer has always known about both; the phone switch read only the flag, so the tap ran through the writer's boundary branch and cleared the boundary. The question is asked once now, in the planner beside that writer, and the desktop reads the same answer it always computed inline. **The road trip chain printed 24-hour clocks at a reader on a twelve-hour one.** The model hands clocks over as HH:MM, which is what the schedule computes in, and the chain, the head card and the up-next card printed it straight. The desktop rail, the day timeline and this tab's own sheets all honour the setting; these go through the same formatter, carried in the row chrome so no two rows can disagree. **The up-next card's navigate button read "places.navigate".** No locale has that key. It is `inspector.navigation`, which is what the stop sheet beside it, the place inspector and the place sheet all use, with the single-target label when there is only one. **Offered roads were invisible on a satellite basemap.** The imagery is anchored under the first layer TREK draws, found by prefix, and the roads offered for a leg are added before the route source so they sit under the current route. That also puts them before the first `trip-` layer, so the raster went straight over them. The prefix list knows them now. **A journal grew a day section for every day Dawarich recorded, all year.** The hook reads every open stay the account has, and the timeline took all of their dates. A week in May therefore sprouted sections from September. Bounded by the journal's own span now, its entries together with the dates of the trips it links, and with no span at all it offers nothing rather than everything.
A self-hosted, real-time collaborative travel planner — with maps, budgets, packing lists, a journal, and AI built in.
What you get
See all features
Most of what follows is an addon an admin switches on or off. Lists, Costs, Documents, Collab, Vacay and Atlas ship on; Journey, Collections, MCP, AI Parsing and AirTrail ship off and are marked below.
🧭 Planning
|
🧳 Bookings and money
|
👥 Collaboration
📔 Journal, Atlas and Vacay
|
🧩 Plugins
🤖 AI and MCP
|
📱 Mobile and offline
|
⚙️ Admin, accounts and security
|
AI usage
We use LLM-assisted coding tools across parts of this codebase. Nothing ships that a maintainer has not read and understood: every change goes through a pull request, is reviewed and tested, and has a human who can answer for it. "The AI wrote that" is not an answer any of us would accept from ourselves.
See How we use AI in TREK for the details.
Get started in 30 seconds
ENCRYPTION_KEY=$(openssl rand -hex 32) docker run -d -p 3000:3000 \
-e ENCRYPTION_KEY=$ENCRYPTION_KEY \
-v ./data:/app/data -v ./uploads:/app/uploads mauriceboe/trek
Open http://localhost:3000. On first boot TREK seeds an admin account — if you set ADMIN_EMAIL/ADMIN_PASSWORD those are used, otherwise the credentials are printed to the container log (docker logs trek).
Tech stack
Real-time sync via WebSocket (ws). Backend on NestJS 11. State with Zustand. Auth via JWT + OAuth 2.1 + OIDC + Passkeys (WebAuthn) + TOTP MFA. Weather via Open-Meteo (no key required). Maps with Leaflet and Mapbox GL.
Docker Compose (production)
The repository ships a ready-to-use docker-compose.yml
with secure defaults and every option documented inline. Download it, then:
docker compose up -d
See Install with Docker Compose for the full walkthrough.
Helm (Kubernetes)
helm repo add trek https://chart.liketrek.com
helm repo update
helm install trek trek/trek
See charts/README.md for values.
Install as App (PWA)
TREK works as a Progressive Web App — no App Store needed.
- Open TREK in the browser (HTTPS required)
- iOS: Share ▸ Add to Home Screen
- Android: Menu ▸ Install app (or Add to Home Screen)
TREK then launches fullscreen with its own icon, just like a native app.
Updating
See Updating — Docker Compose, Docker run, Helm, Portainer, Unraid and Proxmox, plus the encryption-key note.
Reverse Proxy
For production, put TREK behind a TLS-terminating reverse proxy. TREK uses WebSockets for real-time sync, so the proxy must support WebSocket upgrades on /ws.
If you use the MCP addon, the proxy must also pass the Mcp-Session-Id header through in both directions on /mcp — Nginx and Caddy do this by default, but a proxy that strips it makes every tool call open a new session instead of reusing one. See the Reverse Proxy wiki page for details.
Nginx
server {
listen 80;
server_name trek.yourdomain.com;
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
server_name trek.yourdomain.com;
ssl_certificate /etc/ssl/fullchain.pem;
ssl_certificate_key /etc/ssl/privkey.pem;
# 500 MB covers backup-restore uploads (capped at 500 MB server-side).
client_max_body_size 500m;
location / {
proxy_pass http://localhost:3000;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location /ws {
proxy_pass http://localhost:3000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_set_header Host $host;
proxy_read_timeout 86400;
}
# Only needed if you use the MCP addon. Responses are Server-Sent Events,
# so buffering must be off or tool results arrive late.
location /mcp {
proxy_pass http://localhost:3000;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_buffering off;
proxy_read_timeout 3600s;
}
}
Caddy
trek.yourdomain.com {
reverse_proxy localhost:3000
}
Caddy handles TLS and WebSockets automatically.
Environment variables
Every variable, its default and what it does: see Environment Variables.
Star History
Data sources
The Atlas map's country and sub-national (province/county) boundaries come from geoBoundaries (Runfola et al., 2020), licensed CC BY 4.0. See NOTICE.md for full third-party attributions.
License
TREK is AGPL v3. Self-host freely for personal or internal company use. If you modify and offer TREK as a network service to third parties, your modifications must be open-sourced under the same licence.