First working version

play.sh

@@ -0,0 +1,9 @@
+#!/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"