# koel [](https://github.com/koel/koel/actions)  [](https://codecov.io/gh/koel/koel) [](#backers) [](#sponsors)
## Intro
**Koel** (also stylized as **koel**, with a lowercase k) is a simple web-based personal audio streaming service written in [Vue](http://vuejs.org/) on the client side and [Laravel](http://laravel.com/) on the server side. Targeting web developers, Koel embraces some of the more modern web technologies – CSS grid, audio, and drag-and-drop API to name a few – to do its job.
## Install and Upgrade Guide
For system requirements, installation/upgrade guides, troubleshooting etc., head over to the [Official Documentation](https://docs.koel.dev).
## API Docs
If you're interested in the development of a client, Koel's official API documentation is available [here](https://api-docs.koel.dev).
## Development
Since Koel makes use of [git submodules](https://git-scm.com/book/en/v2/Git-Tools-Submodules), you'll want to make sure the submodule is up-to-date:
```bash
git pull
git submodule update --init --recursive --remote
```
To start the **PHP dev server**, which serves as the API of the application, run the following command. By default, the server will listen at port `8000`.
```bash
php artisan serve
```
For the **client application** itself, run this command:
```bash
yarn hot
```
A development version of Koel should now be available at `http://localhost:8080` with full support for hot module reloading.
Alternatively, you can start both the PHP server and the client application in one go with `yarn dev`, which uses [`start-server-and-test`](https://github.com/bahmutov/start-server-and-test) under the hood.
## Testing, Linting, Static Analysis and Stuff
```bash
# PHP-related code quality tasks
# Basically, take a look at the "scripts" section in composer.json
composer test # Run the PHP test suite
composer cs # Run code style checker
composer cs:fix # Run code style fixer
composer analyze # Run PHP static analysis
yarn build # Build a production version of the client application
# Client/E2E code quality tasks
# You may want to run `yarn build` first.
yarn test:e2e # Run the Cypress test suite interactively
yarn test:e2e:ci # Run the Cypress test suite non-interactively (CI mode)
# These commands need to be run from within the submodule (resources/assets)
yarn lint # Lint
yarn type-check # TypeScript type checking
yarn test # Unit testing
```
> Note: If you're already running `yarn test:e2e`, there's no need to start a dev server. `yarn test:e2e` calls `yarn dev` internally and will eliminate the existing `yarn-dev` process, if any.
> A quick and easy way to start hacking on koel is to open and run this repo in Gitpod, an online IDE with full Laravel support.
>
> [](https://gitpod.io/#https://github.com/koel/koel)
## Backers
[Support me on OpenCollective](https://opencollective.com/koel#backer) with a monthly donation and help me continue building Koel.
## Sponsors
#### GitHub Sponsors
* Eduardo San Martin Morote ([@posva](https://github.com/posva))
* [You](https://github.com/users/phanan/sponsorship)?
#### OpenCollective
[Become a sponsor on OpenCollective](https://opencollective.com/koel#sponsor) and get your logo on our README on Github with a link to your site.
