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<p align="center">
<img src="static/favicon-96x96.png" alt="Crumbs logo" width="96" height="96">
</p>
# Crumbs by Bretzel (fork)
Original: https://github.com/bretzel-app/crumbs
A self-hostable, offline-first note-taking app that respects your privacy. Part of the [Bretzel](https://bretzel.app) app universe.
<p align="center">
<img src="website/assets/screenshot-grid.png" alt="Crumbs notes grid view" width="720">
</p>
## Install
### Docker (Recommended)
```bash
docker compose up -d
```
Open http://localhost:3000 and create your admin account on first visit.
#### With SSO (optional)
```yaml
# docker-compose.yml
services:
crumbs:
image: ghcr.io/bretzel-app/crumbs:latest
ports:
- "3000:3000"
volumes:
- crumbs-data:/data
environment:
- ORIGIN=https://notes.example.com
- AUTH_OIDC_ISSUER=https://authentik.example.com/application/o/crumbs/
- AUTH_OIDC_CLIENT_ID=your-client-id
- AUTH_OIDC_CLIENT_SECRET=your-client-secret
- AUTH_OIDC_DISPLAY_NAME=Authentik
restart: unless-stopped
volumes:
crumbs-data:
```
Google and GitHub OAuth are also supported. See [docs/AUTH.md](docs/AUTH.md) for all providers and setup guides.
#### With Email Notifications (optional)
Add SMTP settings to enable email notifications (share alerts, welcome emails, security alerts):
```yaml
environment:
- SMTP_HOST=smtp.example.com
- SMTP_PORT=587
- SMTP_USER=your-username
- SMTP_PASS=your-password
- SMTP_FROM=Crumbs <noreply@example.com>
```
Auto-enabled when `SMTP_HOST` is set. Users can opt out in Settings > Preferences. See [docs/DEPLOYMENT.md](docs/DEPLOYMENT.md#email-notifications-optional) for details.
### Manual (Node.js)
```bash
git clone <repo-url> crumbs && cd crumbs
pnpm install
pnpm build
DATABASE_URL=./data/crumbs.db ORIGIN=http://localhost:3000 node build
```
### Development
```bash
pnpm install
pnpm dev
```
Run `make help` to see all available commands, or use pnpm directly:
```bash
pnpm test # Unit + E2E tests
pnpm check # Type checking
pnpm build # Production build
```
## Features
- Rich notes with Markdown, checklists, image attachments, and 12 color themes
- Organize with #tags, pinning, archive, and trash
- Full-text search across titles, content, and tags
- Note version history — browse and restore previous versions
- Share notes with other users on the same instance
- Email notifications for shares, security alerts, and account events (optional SMTP)
- PWA — installable, works offline via IndexedDB + LWW CRDT sync
- MCP server — let AI assistants (Claude Code, etc.) manage your notes
- Multi-user auth (Argon2) with optional OAuth/SSO (Google, GitHub, OIDC)
- Docker deployment with a single command
See [docs/FEATURES.md](docs/FEATURES.md) for detailed feature documentation.
## Tech Stack
| Layer | Technology |
|-------|-----------|
| Framework | SvelteKit 2 (Svelte 5 runes) |
| Language | TypeScript (strict) |
| UI | Tailwind CSS 4 |
| Database | SQLite (better-sqlite3) + Drizzle ORM |
| Client DB | IndexedDB (idb) |
| Sync | LWW CRDTs |
| Auth | Argon2 + session cookies |
| Testing | Vitest + Playwright |
| Container | Docker (multi-stage) |
| CI/CD | GitHub Actions |
## Documentation
| Document | Description |
|----------|-------------|
| [Features](docs/FEATURES.md) | Detailed feature list and behavior |
| [Architecture](docs/ARCHITECTURE.md) | Local-first sync design, tech rationale, DB schema |
| [Auth](docs/AUTH.md) | Password auth, OAuth/SSO setup (Authentik, Keycloak, etc.) |
| [Deployment](docs/DEPLOYMENT.md) | Docker, Node.js, reverse proxy, backups, env vars |
| [API](docs/API.md) | REST API reference (auto-generated) |
| [Contributing](CONTRIBUTING.md) | How to contribute |
| [Security](SECURITY.md) | Vulnerability reporting policy |
| [Changelog](CHANGELOG.md) | Release history |
## CI/CD
- **CI** — lint, type check, unit tests, E2E tests, Docker build on every push/PR
- **Release** — builds and pushes Docker image on `v*` tags
Configure registry via GitHub Secrets: `REGISTRY_URL`, `REGISTRY_USER`, `REGISTRY_TOKEN`.
## License
[MIT](LICENSE)