Update local repo usage, add a batch script to upload local images

_local/push_images.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# This script will upload the local images to a registry server ($registry is the default value).
+# Author: yeasy@github
+# Created:2014-09-23
+
+#The registry server address where you want push the images into
+registry=127.0.0.1:5000
+
+### DO NOT MODIFY THE FOLLOWING PART, UNLESS YOU KNOW WHAT IT MEANS ###
+echo_r () {
+    [ $# -ne 1 ] && return 0
+    echo -e "\033[31m$1\033[0m"
+}
+echo_g () {
+    [ $# -ne 1 ] && return 0
+    echo -e "\033[32m$1\033[0m"
+}
+echo_y () {
+    [ $# -ne 1 ] && return 0
+    echo -e "\033[33m$1\033[0m"
+}
+echo_b () {
+    [ $# -ne 1 ] && return 0
+    echo -e "\033[34m$1\033[0m"
+}
+
+usage() {
+    sudo docker images
+    echo "Usage: $0 registry1:tag1 [registry2:tag2...]"
+}
+
+[ $# -lt 1 ] && usage && exit
+
+echo_b "The registry server is $registry"
+
+
+for image in "$@"
+do
+	echo_b "Uploading $image..."
+	sudo docker tag $image $registry/$image
+	sudo docker push $registry/$image
+	sudo docker rmi $registry/$image
+	echo_g "Done"
+done