docker-compose.yml

services:
    lavalink:
        image: fredboat/lavalink:4.0.8 # pin the image version to Lavalink v3
        container_name: lavalink_v4
        restart: unless-stopped
        environment:
            - _JAVA_OPTIONS=-Xmx6G # set Java options here
            - SERVER_PORT=2333 # set lavalink server port
            - LAVALINK_SERVER_PASSWORD=youshallnotpass # set password for lavalink
        volumes:
            - ./application.yml:/opt/Lavalink/application.yml # mount application.yml from the same directory or use environment variables
            - ./plugins/:/opt/Lavalink/plugins/ # persist plugins between restarts, make sure to set the correct permissions (user: 322, group: 322)
        networks:
            - lavalink
        expose:
            - 2333 # lavalink exposes port 2333 to connect to for other containers (this is for documentation purposes only)
        ports:
            - 2333:2333 # you only need this if you want to make your lavalink accessible from outside of containers
networks:
    lavalink: # create a lavalink network you can add other containers to, to give them access to Lavalink
        name: lavalink