bookstairs/README.md

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<picture>
<source media="(prefers-color-scheme: dark)" srcset="docs/images/github-poster-dark.png">
<img alt="BookStairs Poster" src="docs/images/github-poster.png">
</picture>
[![LICENSE](https://img.shields.io/github/license/bookstairs/bookstairs)](https://github.com/bookstairs/bookstairs/blob/master/LICENSE)
[![contribution](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](CONTRIBUTING.md)
## What is BookStairs?
BookStairs is an open-source personal EPUB library which was highly inspired by
[talebook](https://github.com/talebook/talebook),
[calibre-web](https://github.com/janeczku/calibre-web)
and [BookBrowser](https://github.com/pgaskin/BookBrowser).
It's designed to serve millions of books. Aims to provide high performance, readability compared with its
competitors. And it's easy to be deployed on any Unix-like systems by docker.
+ __High performance__
BookStairs didn't use `metadata.db` which was created by calibre directly. We would index all the books' metadata by
[bluge](https://github.com/blugelabs/bluge) which can provide a better searching performance comparing to SQLite3.
Although bluge isn't fast enough compared to elasticsearch, it's fast enough to serve the book indexing in memory mode.
+ __Better book organize__
The books' category is defined by
the [Chinese Library Classification](https://en.wikipedia.org/wiki/Chinese_Library_Classification).
Putting all the files into [SeaweedFS](https://github.com/chrislusf/seaweedfs) for fast file access.
This will make the S3 support out of box.
* __Better book deduplication__
We would deduplication the book by
its [CIP (Cataloging in Publication)](https://www.capub.cn/zbbm/index_zbbm.shtml?id=7)
in China and [ISBN](https://en.wikipedia.org/wiki/International_Standard_Book_Number).
* __Better chinese books metadata management__
A lot of Chinese EPUBs don't have valid metadata. We would correct it by [CIP database](https://pdc.capub.cn/)
and a builtin [Douban](https://www.douban.com/) spider.
* __Readability__
We provide a built-in online reader which supports bookmarks, quotes, notes and highlights. Every user could have
unlimited bookshelf for personal needs.
* __Easy distribution__
The bookstairs was designed to be distributed with only one file on all the platforms. You don't need any predefine
configuration file. Just download the latest release file and execute it in a working directory. The bookstairs would
auto create the database and application data files by your settings on a user-friendly web interface.
## State of this project
The current master branch is unstable and is not recommended for production use. BookStairs 1.0.0 (what will be the
first release version) is currently in the development stage.
## Contributing
Contributions are welcomed and greatly appreciated. See [CONTRIBUTING](CONTRIBUTING.md) for details on submitting
patches and the contribution workflow.
## License
BookStairs is licensed under the AGPL-3.0. You are free to use this or modify project,
but the only thing you need to do is to share your modifications.
See the [LICENSE](LICENSE) file for details.