openreader/README.md
Richard R 4b26531172 chore(worker): migrate compute worker from Redis/BullMQ to NATS JetStream
Replace Redis and BullMQ with NATS JetStream and KV for job queuing and state management
in the compute worker service. Update environment variables, Docker Compose, and documentation
to reflect the new message queue backend. Adjust dependencies and code to use NATS-based
work queue and key-value storage for durable job processing.

This change improves scalability and reliability of distributed compute workloads by leveraging
NATS JetStream's work queue and persistence features. Documentation and configuration examples
are updated to guide deployments using the new backend.
2026-05-20 07:38:03 -06:00

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# 📄🔊 OpenReader
OpenReader is an open source, self-host-friendly text-to-speech document reader built with Next.js for **EPUB, PDF, TXT, MD, and DOCX** with synchronized read-along playback.
> Previously named **OpenReader-WebUI**.
> **Get started in the [docs](https://docs.openreader.richardr.dev/)**.
## ✨ Highlights
- 🧱 **Layout-aware PDF parsing** with PP-DocLayoutV3 (ONNX) — structured block detection, cross-page stitching, and geometry-based highlighting for precise read-along sync.
- ⏱️ **Word-by-word highlighting** via built-in ONNX Whisper alignment — no external dependencies, runs in-process (`COMPUTE_MODE=local`) or offloaded to a scalable NATS JetStream-backed worker (`COMPUTE_MODE=worker`).
-**Segment-based read-along** for EPUB, PDF, TXT, MD, and DOCX — sentence-aware TTS with cached audio segments, background preloading, and resumable playback.
- 🎯 **Multi-provider TTS** — self-hosted OpenAI-compatible servers (Kokoro-FastAPI, KittenTTS-FastAPI, Orpheus-FastAPI) or cloud APIs (OpenAI, Replicate, DeepInfra).
- 🎧 **Audiobook export** in `m4b`/`mp3` with resumable chapter processing.
- 🗂️ **Flexible backend** — embedded SeaweedFS or S3-compatible storage, SQLite or Postgres, server library import, and device sync.
- 🐳 **Self-host friendly** — Docker (amd64/arm64), optional auth, and automatic startup migrations.
## 🚀 Start Here
| Goal | Link |
| --- | --- |
| Run with Docker | [Docker Quick Start](https://docs.openreader.richardr.dev/docker-quick-start) |
| Deploy on Vercel | [Vercel Deployment](https://docs.openreader.richardr.dev/deploy/vercel-deployment) |
| Deploy external compute worker | [Compute Worker (NATS JetStream)](https://docs.openreader.richardr.dev/deploy/compute-worker) |
| Develop locally | [Local Development](https://docs.openreader.richardr.dev/deploy/local-development) |
| Configure auth | [Auth](https://docs.openreader.richardr.dev/configure/auth) |
| Configure SQL database | [Database and Migrations](https://docs.openreader.richardr.dev/configure/database) |
| Configure object storage | [Object / Blob Storage](https://docs.openreader.richardr.dev/configure/object-blob-storage) |
| Configure TTS providers | [TTS Providers](https://docs.openreader.richardr.dev/configure/tts-providers) |
| Run Kokoro locally | [Kokoro-FastAPI](https://docs.openreader.richardr.dev/configure/tts-provider-guides/kokoro-fastapi) |
| Run KittenTTS locally | [KittenTTS-FastAPI](https://docs.openreader.richardr.dev/configure/tts-provider-guides/kitten-tts-fastapi) |
| Get support or contribute | [Support and Contributing](https://docs.openreader.richardr.dev/about/support-and-contributing) |
## 🧭 Community
- Questions and ideas: [GitHub Discussions](https://github.com/richardr1126/openreader/discussions)
- Bug reports: [GitHub Issues](https://github.com/richardr1126/openreader/issues)
- Contributions: open a pull request
## 📜 License
MIT. See [LICENSE](LICENSE).