add alpine service

alpine/teamcityagent

@@ -0,0 +1,28 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:          TeamCity Build Agent
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start build agent daemon at boot time
+# Description:       Enable service provided by daemon.
+### END INIT INFO
+#Provide the correct user name:
+USER="root"
+
+case "$1" in
+start)
+ su - $USER -c "cd /opt/agent/bin ; ./agent.sh start"
+;;
+stop)
+ su - $USER -c "cd /opt/agent/bin ; ./agent.sh stop"
+;;
+*)
+  echo "usage start/stop"
+  exit 1
+ ;;
+
+esac
+
+exit 0