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Black Candy – Music streaming server

Black Candy – Music streaming server built with Rails and Stimulus. MIT Ruby

Black candy is a self hosted music streaming server built with Rails and Hotwire. The goal of the project is to create a real personal music center.

Getting started

Black candy use docker for simplify deployment, development and test process. So you should install docker and docker-compose first.

Black candy support mp3, m4a, ogg, oga, opus, flac, wma and wav formats now.


Black candy has built docker images. You can use docker compose to run all services.

First, you should ensure your music files stored under “/media_data”

Then run:

$ curl https://raw.githubusercontent.com/aidewoode/black_candy/v2.1.0/docker-compose.yml > docker-compose.yml
$ docker-compose up -d

That’s all. Now, you can use initial admin user to login (email: admin@admin.com, password: foobar).

You can also change the docker-compose.yml for your own needs.

Note: When the SECRET_KEY_BASE environment variable is not set, Black candy will generate SECRET_KEY_BASE environment variable every time when service start up. This will cause old sessions invalid, You can set your own SECRET_KEY_BASE environment variable on docker service to avoid it.

Try in PWD

Try in PWD

Click the button above, then you can try black candy on Play with Docker.

When the service is ready, access black candy from port 80. Then use initial admin user to login (email: admin@admin.com, password: foobar). This demo already contains some sample music file. You can go to the setting page and click the sync button of the media path to import the sample music into the database.

And feel free to try it.

List for all sample music for the demo:

If like their music, you can buy their albums to support them.


Pull new image from remote

$ docker pull blackcandy/blackcandy

Restart services:

$ docker-compose restart



  • Ruby 3.1
  • Postgres 11
  • Redis 6.0
  • Nodejs 12
  • Yarn
  • Imagemagick
  • ffmpeg

You can use VS Code Remote Containers or GitHub Codespaces to setup dev environment easily. For more infomations about dev container, please visit this link https://code.visualstudio.com/docs/remote/create-dev-container.

After the dev container has been built. You can run ./bin/dev in terminal to start all services. Then visit http://localhost:3000 use initial admin user to login (email: admin@admin.com, password: foobar).


# Runing test
$ rails test RAILS_ENV=test 

# Runing lint
$ rails lint:all


Black candy support get artist and album image from Discogs API. You can create a API token from Discogs and set Discogs token on Setting page to enable it.

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