clean up init script, removed unnecessary stuff

Dockerfile

@@ -13,5 +13,4 @@ EXPOSE 5432
 
 VOLUME ["/var/lib/postgresql"]
 
-ENTRYPOINT ["/app/init"]
+CMD ["/app/init"]
-CMD ["app:start"]

assets/init

@@ -2,7 +2,6 @@
 
 set -e
 
-appStart () {
 # fix permissions and ownership of /var/lib/postgresql
 chown -R postgres:postgres /var/lib/postgresql
 chmod 700 /var/lib/postgresql
@@ -30,36 +29,5 @@ appStart () {
 	echo "| from the data store.                                             |"
 	echo "|------------------------------------------------------------------|"
 fi
+
 tail -F /var/log/postgresql/postgresql-9.1-main.log
-}
-
-appHelp () {
-	echo "Available options:"
-	echo " app:start          - Start the postgresql server and watch the log (default)"
-	echo " app:help           - Displays the help"
-	echo " [command]          - Execute the specified linux command eg. bash."
-}
-
-case "$1" in
-	app:start)
-		appStart
-		;;
-	app:help)
-		appHelp
-		;;
-	*)
-		if [ -x $1 ]; then
-			$1
-		else
-			prog=$(which $1)
-			if [ -n "${prog}" ] ; then
-				shift 1
-				$prog $@
-			else
-				appHelp
-			fi
-		fi
-		;;
-esac
-
-exit 0