First working version

README.md

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-# docker-radio
-Tools for quickly setting up a streaming station based on Icecast 2 and MPD

docker-compose.yml

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+version: "3.8"
+services:
+  icecast:
+    build:
+      context: ./icecast-docker
+      dockerfile: Dockerfile
+    ports:
+      - 8000:8000
+    environment:
+      - ICECAST_SOURCE_PW=hackme 
+  mpd:
+    build:
+      context: ./mpd-docker
+      dockerfile: Dockerfile   
+    environment:
+      - STREAM_ENCODING=vorbis
+      - STREAM_BITRATE=192
+      - STREAM_MOUNT_POINT=mystream
+    volumes:
+      - ./music:/music/

icecast-docker/Dockerfile

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+FROM ubuntu:xenial
+RUN apt-get update && apt-get upgrade -y \
+ && apt-get install icecast2 sudo -y \
+ && apt-get clean
+
+COPY entry.sh /entry.sh
+
+VOLUME ["/etc/icecast2/"]
+
+EXPOSE 8000
+
+CMD ["/entry.sh"]

icecast-docker/entry.sh

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+#!/bin/bash
+
+if [[ -z ${ICECAST_SOURCE_PW} ]]; then
+    ICECAST_SOURCE_PW=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 16)
+    echo "ICECAST_SOURCE_PW  was not set. Generated a random one."
+fi
+
+
+if [[ -z ${ICECAST_RELAY_PW} ]]; then
+    ICECAST_RELAY_PW=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 16)
+fi
+
+
+if [[ -z ${ICECAST_ADMIN_PW} ]]; then
+    ICECAST_ADMIN_PW=$(tr -dc _A-Z-a-z-0-9 < /dev/urandom | head -c 16)
+fi
+
+echo "ICECAST_SOURCE_PW=${ICECAST_SOURCE_PW}"
+
+sed -i "s/<source-password>.*<\/source-password>/<source-password>${ICECAST_SOURCE_PW}<\/source-password>/g" /etc/icecast2/icecast.xml
+
+sed -i "s/<relay-password>.*<\/relay-password>/<relay-password>${ICECAST_RELAY_PW}<\/relay-password>/g" /etc/icecast2/icecast.xml
+
+sed -i "s/<admin-password>.*<\/admin-password>/<admin-password>${ICECAST_ADMIN_PW}<\/admin-password>/g" /etc/icecast2/icecast.xml
+
+sudo -Eu icecast2 icecast2 -c /etc/icecast2/icecast.xml

mpd-docker/Dockerfile

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+FROM ubuntu:xenial
+RUN apt-get update && apt-get upgrade -y \
+&& apt-get install mpd mpc -y \
+&& apt-get clean
+
+COPY mpd.conf /etc/mpd.conf
+COPY entry.sh /
+EXPOSE 6600
+CMD ["/entry.sh"]

mpd-docker/entry.sh

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+#!/bin/bash
+
+#if [[ -z ${ICECAST_PORT_8000_TCP_ADDR} ]]; then
+#    echo "Container not linked to icecast container. Quitting"
+#    exit 1
+#fi
+
+if [[ -z ${STREAM_NAME} ]]; then
+    STREAM_NAME="My Stream"
+    echo "STREAM_NAME env not set; Defaulting to: My Stream"
+fi
+
+if [[ -z ${STREAM_PORT} ]]; then
+    STREAM_PORT=8000
+    echo "STREAM_PORT env not set; Defaulting to: 8000"
+fi
+
+if [[ -z ${STREAM_MOUNT_POINT} ]]; then
+    STREAM_MOUNT_POINT="mystream.mp3"
+    echo "STREAM_MOUNT_POINT env not set; Defaulting to: mystream.mp3"
+fi
+
+if [[ -z ${STREAM_PASSWORD} ]]; then
+    STREAM_PASSWORD="hackme"
+    echo "STREAM_PASSWORD env not set; Defaulting to: hackme"
+fi
+
+
+sed -i "s/<streamnameplaceholder>/${STREAM_NAME}/g" /etc/mpd.conf
+sed -i "s/<portplaceholder>/${STREAM_PORT}/g" /etc/mpd.conf
+sed -i "s/<mountpointplaceholder>/${STREAM_MOUNT_POINT}/g" /etc/mpd.conf
+sed -i "s/<passwordplaceholder>/${STREAM_PASSWORD}/g" /etc/mpd.conf
+sed -i "s/<encodingplaceholder>/${STREAM_ENCODING}/g" /etc/mpd.conf
+sed -i "s/<bitrateplaceholder>/${STREAM_BITRATE}/g" /etc/mpd.conf
+mpd --no-daemon --stderr

mpd-docker/mpd.conf

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+# An example configuration file for MPD
+# See the mpd.conf man page for a more detailed description of each parameter.
+
+
+# Files and directories #######################################################
+#
+# This setting controls the top directory which MPD will search to discover the
+# available audio files and add them to the daemon's online database. This 
+# setting defaults to the XDG directory, otherwise the music directory will be
+# be disabled and audio files will only be accepted over ipc socket (using
+# file:// protocol) or streaming files over an accepted protocol.
+#
+music_directory		"/music"
+#
+# This setting sets the MPD internal playlist directory. The purpose of this
+# directory is storage for playlists created by MPD. The server will use 
+# playlist files not created by the server but only if they are in the MPD
+# format. This setting defaults to playlist saving being disabled.
+#
+playlist_directory		"/playlists"
+#
+# This setting sets the location of the MPD database. This file is used to
+# load the database at server start up and store the database while the 
+# server is not up. This setting defaults to disabled which will allow
+# MPD to accept files over ipc socket (using file:// protocol) or streaming
+# files over an accepted protocol.
+#
+db_file			"/database"
+# 
+# These settings are the locations for the daemon log files for the daemon.
+# These logs are great for troubleshooting, depending on your log_level
+# settings.
+#
+# The special value "syslog" makes MPD use the local syslog daemon. This
+# setting defaults to logging to syslog, otherwise logging is disabled.
+#
+#log_file			"~/.mpd/log"
+#
+# This setting sets the location of the file which stores the process ID
+# for use of mpd --kill and some init scripts. This setting is disabled by
+# default and the pid file will not be stored.
+#
+pid_file			"/pid"
+#
+# This setting sets the location of the file which contains information about
+# most variables to get MPD back into the same general shape it was in before
+# it was brought down. This setting is disabled by default and the server 
+# state will be reset on server start up.
+#
+#state_file			"~/.mpd/state"
+#
+# The location of the sticker database.  This is a database which
+# manages dynamic information attached to songs.
+#
+#sticker_file			"~/.mpd/sticker.sql"
+#
+###############################################################################
+
+
+# General music daemon options ################################################
+#
+# This setting specifies the user that MPD will run as. MPD should never run as
+# root and you may use this setting to make MPD change its user ID after
+# initialization. This setting is disabled by default and MPD is run as the
+# current user.
+#
+#user				"nobody"
+#
+# This setting specifies the group that MPD will run as. If not specified
+# primary group of user specified with "user" setting will be used (if set).
+# This is useful if MPD needs to be a member of group such as "audio" to
+# have permission to use sound card.
+#
+#group				"nogroup"
+#
+# This setting sets the address for the daemon to listen on. Careful attention
+# should be paid if this is assigned to anything other then the default, any.
+# This setting can deny access to control of the daemon.
+#
+# For network
+bind_to_address		"0.0.0.0"
+#
+# And for Unix Socket
+#bind_to_address		"~/.mpd/socket"
+#
+# This setting is the TCP port that is desired for the daemon to get assigned
+# to.
+#
+#port				"6600"
+#
+# This setting controls the type of information which is logged. Available 
+# setting arguments are "default", "secure" or "verbose". The "verbose" setting
+# argument is recommended for troubleshooting, though can quickly stretch
+# available resources on limited hardware storage.
+#
+#log_level			"default"
+#
+# If you have a problem with your MP3s ending abruptly it is recommended that 
+# you set this argument to "no" to attempt to fix the problem. If this solves
+# the problem, it is highly recommended to fix the MP3 files with vbrfix
+# (available from <http://www.willwap.co.uk/Programs/vbrfix.php>), at which
+# point gapless MP3 playback can be enabled.
+#
+#gapless_mp3_playback			"yes"
+#
+# Setting "restore_paused" to "yes" puts MPD into pause mode instead
+# of starting playback after startup.
+#
+#restore_paused "no"
+#
+# This setting enables MPD to create playlists in a format usable by other
+# music players.
+#
+#save_absolute_paths_in_playlists	"no"
+#
+# This setting defines a list of tag types that will be extracted during the 
+# audio file discovery process. Optionally, 'comment' can be added to this
+# list.
+#
+#metadata_to_use	"artist,album,title,track,name,genre,date,composer,performer,disc"
+#
+# This setting enables automatic update of MPD's database when files in 
+# music_directory are changed.
+#
+#auto_update	"yes"
+#
+# Limit the depth of the directories being watched, 0 means only watch
+# the music directory itself.  There is no limit by default.
+#
+#auto_update_depth "3"
+#
+###############################################################################
+
+
+# Symbolic link behavior ######################################################
+#
+# If this setting is set to "yes", MPD will discover audio files by following 
+# symbolic links outside of the configured music_directory.
+#
+#follow_outside_symlinks	"yes"
+#
+# If this setting is set to "yes", MPD will discover audio files by following
+# symbolic links inside of the configured music_directory.
+#
+#follow_inside_symlinks		"yes"
+#
+###############################################################################
+
+
+# Zeroconf / Avahi Service Discovery ##########################################
+#
+# If this setting is set to "yes", service information will be published with
+# Zeroconf / Avahi.
+#
+#zeroconf_enabled		"yes"
+#
+# The argument to this setting will be the Zeroconf / Avahi unique name for
+# this MPD server on the network.
+#
+#zeroconf_name			"Music Player"
+#
+###############################################################################
+
+
+# Permissions #################################################################
+#
+# If this setting is set, MPD will require password authorization. The password
+# can setting can be specified multiple times for different password profiles.
+#
+#password                        "password@read,add,control,admin"
+#
+# This setting specifies the permissions a user has who has not yet logged in. 
+#
+#default_permissions             "read,add,control,admin"
+#
+###############################################################################
+
+
+# Input #######################################################################
+#
+
+input {
+        plugin "curl"
+#       proxy "proxy.isp.com:8080"
+#       proxy_user "user"
+#       proxy_password "password"
+}
+
+#
+###############################################################################
+
+# Audio Output ################################################################
+#
+# MPD supports various audio output types, as well as playing through multiple 
+# audio outputs at the same time, through multiple audio_output settings 
+# blocks. Setting this block is optional, though the server will only attempt
+# autodetection for one sound card.
+#
+# See <http://mpd.wikia.com/wiki/Configuration#Audio_Outputs> for examples of 
+# other audio outputs.
+#
+# An example of an ALSA output:
+#
+#audio_output {
+#	type		"alsa"
+#	name		"My ALSA Device"
+##	device		"hw:0,0"	# optional
+##	format		"44100:16:2"	# optional
+##	mixer_type      "hardware"	# optional
+##	mixer_device	"default"	# optional
+##	mixer_control	"PCM"		# optional
+##	mixer_index	"0"		# optional
+#}
+#
+# An example of an OSS output:
+#
+#audio_output {
+#	type		"oss"
+#	name		"My OSS Device"
+##	device		"/dev/dsp"	# optional
+##	format		"44100:16:2"	# optional
+##	mixer_type      "hardware"	# optional
+##	mixer_device	"/dev/mixer"	# optional
+##	mixer_control	"PCM"		# optional
+#}
+#
+# An example of a shout output (for streaming to Icecast):
+#
+#audio_output {
+#	type		"shout"
+#	encoding	"ogg"			# optional
+#	name		"My Shout Stream"
+#	host		"localhost"
+#	port		"8000"
+#	mount		"/mpd.ogg"
+#	password	"hackme"
+#	quality		"5.0"
+#	bitrate		"128"
+#	format		"44100:16:1"
+##	protocol	"icecast2"		# optional
+##	user		"source"		# optional
+##	description	"My Stream Description"	# optional
+##	url		"http://example.com"	# optional
+##	genre		"jazz"			# optional
+##	public		"no"			# optional
+##	timeout		"2"			# optional
+##	mixer_type      "software"		# optional
+#}
+#
+# An example of a recorder output:
+#
+#audio_output {
+#	type		"recorder"
+#	name		"My recorder"
+#	encoder		"vorbis"		# optional, vorbis or lame
+#	path		"/var/lib/mpd/recorder/mpd.ogg"
+##	quality		"5.0"			# do not define if bitrate is defined
+#	bitrate		"128"			# do not define if quality is defined
+#	format		"44100:16:1"
+#}
+#
+# An example of a httpd output (built-in HTTP streaming server):
+#
+#audio_output {
+#	type		"httpd"
+#	name		"My HTTP Stream"
+#	encoder		"vorbis"		# optional, vorbis or lame
+#	port		"8000"
+#	bind_to_address	"0.0.0.0"		# optional, IPv4 or IPv6
+##	quality		"5.0"			# do not define if bitrate is defined
+#	bitrate		"128"			# do not define if quality is defined
+#	format		"44100:16:1"
+#	max_clients	"0"			# optional 0=no limit
+#}
+#
+# An example of a pulseaudio output (streaming to a remote pulseaudio server)
+#
+#audio_output {
+#	type		"pulse"
+#	name		"My Pulse Output"
+##	server		"remote_server"		# optional
+##	sink		"remote_server_sink"	# optional
+#}
+#
+## Example "pipe" output:
+#
+#audio_output {
+#	type		"pipe"
+#	name		"my pipe"
+#	command		"aplay -f cd 2>/dev/null"
+## Or if you're want to use AudioCompress
+#	command		"AudioCompress -m | aplay -f cd 2>/dev/null"
+## Or to send raw PCM stream through PCM:
+#	command		"nc example.org 8765"
+#	format		"44100:16:2"
+#}
+#
+## An example of a null output (for no audio output):
+#
+#audio_output {
+#	type		"null"
+#	name		"My Null Output"
+#	mixer_type      "none"			# optional
+#}
+#
+# This setting will change all decoded audio to be converted to the specified
+# format before being passed to the audio outputs. By default, this setting is
+# disabled.
+#
+#audio_output_format		"44100:16:2"
+#
+# If MPD has been compiled with libsamplerate support, this setting specifies 
+# the sample rate converter to use.  Possible values can be found in the 
+# mpd.conf man page or the libsamplerate documentation. By default, this is
+# setting is disabled.
+#
+#samplerate_converter		"Fastest Sinc Interpolator"
+#
+###############################################################################
+
+
+# Normalization automatic volume adjustments ##################################
+#
+# This setting specifies the type of ReplayGain to use. This setting can have
+# the argument "off", "album" or "track". See <http://www.replaygain.org>
+# for more details. This setting is off by default.
+#
+#replaygain			"album"
+#
+# This setting sets the pre-amp used for files that have ReplayGain tags. By
+# default this setting is disabled.
+#
+#replaygain_preamp		"0"
+#
+# This setting enables on-the-fly normalization volume adjustment. This will
+# result in the volume of all playing audio to be adjusted so the output has 
+# equal "loudness". This setting is disabled by default.
+#
+#volume_normalization		"no"
+#
+###############################################################################
+
+
+# MPD Internal Buffering ######################################################
+#
+# This setting adjusts the size of internal decoded audio buffering. Changing
+# this may have undesired effects. Don't change this if you don't know what you
+# are doing.
+#
+#audio_buffer_size		"2048"
+#
+# This setting controls the percentage of the buffer which is filled before 
+# beginning to play. Increasing this reduces the chance of audio file skipping, 
+# at the cost of increased time prior to audio playback.
+#
+#buffer_before_play		"10%
+
+
+# Taken from: https://wiki.archlinux.org/index.php/Icecast#Streaming_with_MPD
+
+audio_output {
+    type        "shout"
+    encoding    "<encodingplaceholder>"
+    name        "<streamnameplaceholder>"
+    host        "icecast"
+    port        "<portplaceholder>"
+    mount       "<mountpointplaceholder>"
+
+# This is the source password in icecast.xml
+    password    "<passwordplaceholder>"
+
+# Set either quality or bit rate
+#   quality     "5.0"
+    bitrate     "<bitrateplaceholder>"
+
+    format      "44100:16:1"
+
+# Optional Parameters
+#    user        "source"
+#   description "here is my long description"
+#   genre       "jazz"
+} # end of audio_output
+
+# Need this so that mpd still works if icecast is not running

play.sh

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+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+if (($(docker-compose -f ${DIR}/docker-compose.yml ps | grep -o "Up" | wc -l) < 2)) ; then
+    echo "Starting containers ..."
+    docker-compose -f ${DIR}/docker-compose.yml up -d
+fi
+
+docker-compose -f ${DIR}/docker-compose.yml exec mpd bash -c "mpc ls | mpc add && mpc play"