From 5b746fb183572bc04a0697f3ef9d043849506862 Mon Sep 17 00:00:00 2001
From: yangwenbo02 <yangwenbo02@baidu.com>
Date: Fri, 16 Dec 2016 17:23:24 +0800
Subject: [PATCH] modify doc
 doc/getstarted/build_and_install/docker_install_en.rst

---
 .../build_and_install/docker_install_en.rst   | 24 ++++++-------------
 1 file changed, 7 insertions(+), 17 deletions(-)

diff --git a/doc/getstarted/build_and_install/docker_install_en.rst b/doc/getstarted/build_and_install/docker_install_en.rst
index 1252ff3974e..ffda7964702 100644
--- a/doc/getstarted/build_and_install/docker_install_en.rst
+++ b/doc/getstarted/build_and_install/docker_install_en.rst
@@ -39,12 +39,18 @@ The general development workflow with Docker and Bazel is as follows:
    code.  This image contains all the development tools and
    dependencies of PaddlePaddle.
 
-
    .. code-block:: bash
 
       cd paddle
       docker build -t paddle:dev -f paddle/scripts/docker/Dockerfile .
 
+   Apt-get source errors may occur when building paddle docker image.
+   **You can specify the UBUNTU MIRROR with :code:`--build-arg UBUNTU_MIRROR` like the example below.**
+
+   .. code-block:: bash
+
+      docker build --build-arg UBUNTU_MIRROR="http://mirrors.163.com" -t paddle:dev -f paddle/scripts/docker/Dockerfile .
+
 
 3. Run the image as a container and mounting local source code
    directory into the container.  This allows us to change the code on
@@ -142,22 +148,6 @@ to install CUDA driver and let Docker knows about it:
     export DEVICES=$(\ls /dev/nvidia* | xargs -I{} echo '--device {}:{}')
     docker run ${CUDA_SO} ${DEVICES} -it paddledev/paddle:gpu-latest
 
-    
-UBUNTU MIRROR
--------------
-
-Building Paddle Docker image hits some wrong with apt-get update, you
-can use other UBUNTU MIRROR instead of the default
-
-.. code-block:: bash
-
-    cd ~
-    git clone https://github.com/PaddlePaddle/Paddle.git
-    cd Paddle
-    git submodule update --init --recursive
-    docker build --build-arg UBUNTU_MIRROR="http://mirrors.163.com" -t paddle:cpu-avx -f paddle/scripts/docker/Dockerfile .
-    docker build --build-arg UBUNTU_MIRROR="http://mirrors.163.com" -t paddle:gpu-avx -f paddle/scripts/docker/Dockerfile.gpu .
-
 
 Non-AVX Images
 --------------
-- 
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