docker-compose.yml

version: "3"
services:
    ympd:
        build:
            dockerfile: '${PWD}/ympd/Dockerfile'
            context: '${PWD}/ympd'
        ports:
            - '${YMPD_PORT}:8080'
        links:
            - mpd
        restart: always
        logging:
            options:
                max-size: 1g
        command: "-h mpd -p 6600 -w 8080"

    mpd:
        build:
            args:
                MPD_UID: '${MPD_UID}'
                MPD_GID: '${MPD_GID}'
            dockerfile: '${PWD}/mpd/Dockerfile'
            context: '${PWD}/mpd'
        ports:
            - '${MPD_PORT}:6600'
            - '${MPD_STREAM_PORT}:6680'
        volumes:
            - '${MEDIA_DIR}:/var/lib/mpd/media:ro'
            - '${PWD}/mpdstate:/var/lib/mpd/state/:rw'
            - '${PWD}/mpd/mpd.conf:/var/lib/mpd/mpd.conf:ro'
        restart: always
        logging:
            options:
                max-size: 1g
        user: '${MPD_UID}'
        cap_drop:
            - ALL
        cap_add:
            - SYS_NICE # https://gitlab.alpinelinux.org/alpine/aports/-/issues/11992

    snapcast:
        build:
            dockerfile: '$PWD/snapserver/Dockerfile'
            context: '$PWD/snapserver'
        ports:
            - '${SNAPCAST_PORT}:1704'
        volumes:
            - '${PWD}/mpdstate/snapfifo:/var/lib/snapserver/soundshare/snapfifo:rw'
            - '${PWD}/snapserver/snapserver.conf:/var/lib/snapserver/snapserver.conf:ro'
        depends_on:
            - mpd
        restart: always
        logging:
            options:
                max-size: 1g