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Benjamin Bouvier e755a63a1b Reword docs (#176) 
* Reword documentation;

* Wrap lines at 80 characters in the documentation.

* Wrap CONTRIBUTING.md too;

* Tweaks to CONTRIBUTING.md wording;

* Move development section to CONTRIBUTING.md;

* Explain database creation in CONTRIBUTING.md;
2018-01-06 18:10:30 +01:00

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<h1 align="center">
PeerTube
</h1>
<h4 align="center">
Federated (ActivityPub) video streaming platform using P2P (BitTorrent)
directly in the web browser with <a href="https://github.com/feross/webtorrent">WebTorrent</a>.
</h4>
**PeerTube is sponsored by [Framasoft](https://framatube.org/#en), a non-profit
that promotes, spreads and develops free culture in general, and free-libre
software in particular. If you want to support this project, please [consider
donating them](https://soutenir.framasoft.org/en/).**
<p align="center">
<strong>Client</strong>
<br />
<a href="https://david-dm.org/Chocobozzz/PeerTube?path=client">
<img src="https://david-dm.org/Chocobozzz/PeerTube.svg?path=client" alt="Dependency Status" />
</a>
<a href="https://david-dm.org/Chocobozzz/PeerTube?path=client#info=dev">
<img src="https://david-dm.org/Chocobozzz/PeerTube/dev-status.svg?path=client" alt="devDependency Status" />
</a>
</p>
<p align="center">
<strong>Server</strong>
<br />
<a href="https://travis-ci.org/Chocobozzz/PeerTube">
<img src="https://travis-ci.org/Chocobozzz/PeerTube.svg?branch=develop" alt="Build Status" />
</a>
<a href="https://david-dm.org/Chocobozzz/PeerTube">
<img src="https://david-dm.org/Chocobozzz/PeerTube.svg" alt="Dependencies Status" />
</a>
<a href="https://david-dm.org/Chocobozzz/PeerTube#info=dev">
<img src="https://david-dm.org/Chocobozzz/PeerTube/dev-status.svg" alt="devDependency Status" />
</a>
<a href="http://standardjs.com/">
<img src="https://img.shields.io/badge/code%20style-standard-brightgreen.svg" alt="JavaScript Style Guide" />
</a>
<a href="https://kiwiirc.com/client/irc.freenode.net/#peertube">
<img src="https://img.shields.io/badge/%23peertube-on%20freenode-brightgreen.svg" alt="PeerTube Freenode IRC" />
</a>
</p>
<br />
<p align="center">
<a href="https://peertube.cpy.re">
<img src="https://lutim.cpy.re/mRdBAdeD.png" alt="screenshot" />
</a>
</p>
## Demonstration
Want to see it in action?
* [Demo server](http://peertube.cpy.re)
* [Video](https://peertube.cpy.re/videos/watch/f78a97f8-a142-4ce1-a5bd-154bf9386504)
to see how the "decentralization feature" looks like
* Experimental demo servers that share videos (they are in the same
network): [peertube2](http://peertube2.cpy.re),
[peertube3](http://peertube3.cpy.re). Since I do experiments with them,
sometimes they might not work correctly.
## Why
We can't build a FOSS video streaming alternatives to YouTube, Dailymotion,
Vimeo... with a centralized software. One organization alone may not have
enough money to pay for bandwidth and video storage of its servers.
So we need to have a decentralized network of servers seeding videos (as
[Diaspora](https://github.com/diaspora/diaspora) for example). But it's not
enough because one video could become famous and overload the server. It's the
reason why we need to use a P2P protocol to limit the server load. Thanks to
[WebTorrent](https://github.com/feross/webtorrent), we can make P2P (thus
bittorrent) inside the web browser, as of today.
## Features
- [X] Frontend
- [X] Angular frontend
- [X] Join the fediverse
- [X] Follow other instances
- [X] Unfollow an instance
- [X] Get for the followers/following list
- [X] Upload a video
- [X] Seed the video
- [X] Send the meta data with ActivityPub to followers
- [X] Remove the video
- [X] List the videos
- [X] View the video in an HTML5 player with WebTorrent
- [X] Admin panel
- [X] OpenGraph tags
- [X] OEmbed
- [X] Update video
- [X] Videos view counter
- [X] Videos likes/dislikes
- [X] Transcoding to different definitions
- [X] Download file/torrent
- [X] User video bytes quota
- [X] User video channels
- [X] NSFW warnings/settings
- [X] Video description in markdown
- [X] User roles (administrator, moderator)
- [X] User registration
- [X] Video privacy settings (public, unlisted or private)
- [X] Signaling a video to the admin origin PeerTube instance
- [ ] Videos comments
- [ ] User playlist
- [ ] User subscriptions (by tags, author...)
- [ ] Add "DDOS" security
## Installation
See [wiki](https://github.com/Chocobozzz/PeerTube/wiki) for complete
installation commands.
### Front compatibility
* Chromium
* Firefox (>= 42 for MediaSource support)
### Dependencies
* **NodeJS >= 8.x**
* yarn
* OpenSSL (cli)
* PostgreSQL
* FFmpeg
#### Debian
1. Install NodeJS 8.x (current LTS):
[https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions)
2. Install yarn:
[https://yarnpkg.com/en/docs/install](https://yarnpkg.com/en/docs/install)
4. Run:
```bash
$ apt-get update
$ apt-get install ffmpeg postgresql openssl
```
#### Ubuntu 16.04
1. Install NodeJS 8.x (current LTS): (same as Debian)
2. Install yarn: (same as Debian)
3. Run:
```bash
$ apt-get update
$ apt-get install ffmpeg postgresql openssl
```
#### Arch Linux
1. Run:
```bash
$ pacman -S nodejs yarn ffmpeg postgresql openssl
```
#### Other distributions
Feel free to update this README file in a pull request!
### Build from the sources
```bash
$ git clone -b master https://github.com/Chocobozzz/PeerTube
$ cd PeerTube
$ yarn install
$ npm run build
```
## Usage
### Production
If you want to run PeerTube in production (which might be a bad idea for now :) ):
```bash
$ cp config/production.yaml.example config/production.yaml
```
Then edit the `config/production.yaml` file according to your webserver
configuration. Keys set in this file will override those of
`config/default.yml`.
Finally, run the server with the `NODE_ENV` environment variable set to
`production`:
```bash
$ NODE_ENV=production npm start
```
The administrator password is automatically generated and can be found in the
logs. You can set another password with:
```bash
$ NODE_ENV=production npm run reset-password -- -u root
```
**Nginx template** (reverse proxy): https://github.com/Chocobozzz/PeerTube/tree/master/support/nginx <br />
**Systemd template**: https://github.com/Chocobozzz/PeerTube/tree/master/support/systemd
You can check the application (CORS headers, tracker websocket...) by running:
```bash
$ NODE_ENV=production npm run check
```
### Upgrade
The following commands will upgrade the source (according to your current
branch), upgrade node modules and rebuild client application:
```bash
# systemctl stop peertube
$ npm run upgrade-peertube
# systemctl start peertube
```
### Test with three fresh nodes
```bash
$ npm run clean:server:test
$ npm run play
```
Then you will get access to the three nodes at `http://localhost:900{1,2,3}`
with the `root` as username and `test{1,2,3}` for the password.
### Other commands
To print all available commands, run:
```bash
$ npm run help
```
## Contributing
See the [contributing
guide](https://github.com/Chocobozzz/PeerTube/blob/master/.github/CONTRIBUTING.md)
to see how to contribute to PeerTube. Spoiler alert: you don't need to be a
coder to help!
## Architecture
See [ARCHITECTURE.md](https://github.com/Chocobozzz/PeerTube/blob/master/ARCHITECTURE.md) for a more detailed explanation.
### Backend
* The backend is a REST API.
* Servers communicate with each others with [Activity
Pub](https://www.w3.org/TR/activitypub/).
* Each server has its own users who query it (search videos, query where the
torrent URI of this specific video is...).
* If a user uploads a video, the server seeds it and sends its followers some
metadata (name, short description, torrent URI...).
* A server is a tracker responsible for all the videos uploaded in it.
* Even if nobody watches a video, it is seeded by the server (through
[WebSeed protocol](http://www.bittorrent.org/beps/bep_0019.html)) where the
video was uploaded.
Here are some simple schemes:
<p align="center">
<img src="https://lutim.cpy.re/6Qut3ure.png" alt="Decentralized" />
<img src="https://lutim.cpy.re/NvRAcv6U.png" alt="Watch a video" />
<img src="https://lutim.cpy.re/pqKm3Q5S.png" alt="Watch a P2P video" />
</p>
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