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

repository/local_repo.md

@@ -111,7 +111,7 @@ $ curl http://192.168.7.26:5000/v1/search
 ```
 这里可以看到`{"description": "", "name": "library/test"}`，表明镜像已经被成功上传了。
 
-现在可以到另外一台机器去下载这个镜像
+现在可以到另外一台机器去下载这个镜像。
 ```
 $ sudo docker pull 192.168.7.26:5000/test
 Pulling repository 192.168.7.26:5000/test
@@ -125,3 +125,34 @@ $ sudo docker images
 REPOSITORY                         TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
 192.168.7.26:5000/test             latest              ba5877dc9bec        6 weeks ago         192.7 MB
 ```
+
+可以使用[这个脚本](https://github.com/yeasy/docker_practice/blob/master/_local/push_images.sh)批量上传本地的镜像到注册服务器中，默认是本地注册服务器`127.0.0.1:5000`。例如：
+```
+$ ./push_images.sh ubuntu:latest centos:centos7
+The registry server is 127.0.0.1
+Uploading ubuntu:latest...
+The push refers to a repository [127.0.0.1:5000/ubuntu] (len: 1)
+Sending image list
+Pushing repository 127.0.0.1:5000/ubuntu (1 tags)
+Image 511136ea3c5a already pushed, skipping
+Image bfb8b5a2ad34 already pushed, skipping
+Image c1f3bdbd8355 already pushed, skipping
+Image 897578f527ae already pushed, skipping
+Image 9387bcc9826e already pushed, skipping
+Image 809ed259f845 already pushed, skipping
+Image 96864a7d2df3 already pushed, skipping
+Pushing tag for rev [96864a7d2df3] on {http://127.0.0.1:5000/v1/repositories/ubuntu/tags/latest}
+Untagged: 127.0.0.1:5000/ubuntu:latest
+Done
+Uploading centos:centos7...
+The push refers to a repository [127.0.0.1:5000/centos] (len: 1)
+Sending image list
+Pushing repository 127.0.0.1:5000/centos (1 tags)
+Image 511136ea3c5a already pushed, skipping
+34e94e67e63a: Image successfully pushed
+70214e5d0a90: Image successfully pushed
+Pushing tag for rev [70214e5d0a90] on {http://127.0.0.1:5000/v1/repositories/centos/tags/centos7}
+Untagged: 127.0.0.1:5000/centos:centos7
+Done
+```
+