E:Unable to locate package vimのソリューション---dockerミラーの下にVimをインストールする

1問題の紹介
dockerコンテナを使用する場合、vimがインストールされていない場合があります.vim:command not found、この場合vimをインストールする必要がありますが、apt-get install vimコマンドをノックすると、ヒント:

root@1b4671904bfa:/# apt-get install vim
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package vim

2問題解決
2.1国内ミラーソースの構成
実際に使用中、apt-get updateを実行し、apt-get install-y vimを実行します.ダウンロードアドレスは海外アドレスのため、ダウンロード速度が異常に遅く、更新プロセスが中断する可能性があります.

root@1b4671904bfa:/#  mv /etc/apt/sources.list /etc/apt/sources.list.bak
root@1b4671904bfa:/#  echo "deb http://mirrors.163.com/debian/ jessie main non-free contrib" >/etc/apt/sources.list
root@1b4671904bfa:/#  echo "deb http://mirrors.163.com/debian/ jessie-proposed-updates main non-free contrib" >>/etc/apt/sources.list
root@1b4671904bfa:/#  echo "deb-src http://mirrors.163.com/debian/ jessie main non-free contrib" >>/etc/apt/sources.list
root@1b4671904bfa:/#  echo "deb-src http://mirrors.163.com/debian/ jessie-proposed-updates main non-free contrib" >>/etc/apt/sources.list

2.2更新とインストールコマンドの実行

root@1b4671904bfa:/# apt-get update
Ign:1 http://mirrors.163.com/debian jessie InRelease
Get:2 http://mirrors.163.com/debian jessie-proposed-updates InRelease [139 kB]
Get:3 http://mirrors.163.com/debian jessie Release [148 kB]                        
Hit:4 http://repo.mysql.com/apt/debian stretch InRelease                         
Get:5 http://mirrors.163.com/debian jessie Release.gpg [2420 B]                  
Get:6 http://mirrors.163.com/debian jessie-proposed-updates/main Sources [1036 B]
Get:7 http://mirrors.163.com/debian jessie-proposed-updates/main amd64 Packages [720 B]
Get:8 http://mirrors.163.com/debian jessie/contrib Sources [50.4 kB]
Get:9 http://mirrors.163.com/debian jessie/non-free Sources [99.2 kB]
Get:10 http://mirrors.163.com/debian jessie/main Sources [7063 kB]
Get:11 http://mirrors.163.com/debian jessie/non-free amd64 Packages [83.2 kB]
Get:12 http://mirrors.163.com/debian jessie/main amd64 Packages [6818 kB]
Get:13 http://mirrors.163.com/debian jessie/contrib amd64 Packages [49.8 kB]                                                                                                                                    
Fetched 14.5 MB in 9s (1543 kB/s)                                                                                                                                                                               
Reading package lists... Done


root@1b4671904bfa:/# apt-get install -y vim
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  vim-common vim-runtime
Suggested packages:
  ctags vim-doc vim-scripts
The following NEW packages will be installed:
  vim vim-common vim-runtime
0 upgraded, 3 newly installed, 0 to remove and 4 not upgraded.
Need to get 6185 kB of archives.
After this operation, 28.9 MB of additional disk space will be used.
Get:1 http://mirrors.163.com/debian jessie/main amd64 vim-common amd64 2:7.4.488-7+deb8u3 [185 kB]
Get:2 http://mirrors.163.com/debian jessie/main amd64 vim-runtime all 2:7.4.488-7+deb8u3 [5048 kB]
Get:3 http://mirrors.163.com/debian jessie/main amd64 vim amd64 2:7.4.488-7+deb8u3 [953 kB]
Fetched 6185 kB in 4s (1308 kB/s)      
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package vim-common.
(Reading database ... 8735 files and directories currently installed.)
Preparing to unpack .../vim-common_2%3a7.4.488-7+deb8u3_amd64.deb ...
Unpacking vim-common (2:7.4.488-7+deb8u3) ...
Selecting previously unselected package vim-runtime.
Preparing to unpack .../vim-runtime_2%3a7.4.488-7+deb8u3_all.deb ...
Adding 'diversion of /usr/share/vim/vim74/doc/help.txt to /usr/share/vim/vim74/doc/help.txt.vim-tiny by vim-runtime'
Adding 'diversion of /usr/share/vim/vim74/doc/tags to /usr/share/vim/vim74/doc/tags.vim-tiny by vim-runtime'
Unpacking vim-runtime (2:7.4.488-7+deb8u3) ...
Selecting previously unselected package vim.
Preparing to unpack .../vim_2%3a7.4.488-7+deb8u3_amd64.deb ...
Unpacking vim (2:7.4.488-7+deb8u3) ...
Setting up vim-common (2:7.4.488-7+deb8u3) ...
Setting up vim-runtime (2:7.4.488-7+deb8u3) ...
Processing /usr/share/vim/addons/doc
Setting up vim (2:7.4.488-7+deb8u3) ...
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vim (vim) in auto mode
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vimdiff (vimdiff) in auto mode
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/rvim (rvim) in auto mode
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/rview (rview) in auto mode
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/vi (vi) in auto mode
update-alternatives: warning: skip creation of /usr/share/man/fr/man1/vi.1.gz because associated file /usr/share/man/fr/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/it/man1/vi.1.gz because associated file /usr/share/man/it/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/pl/man1/vi.1.gz because associated file /usr/share/man/pl/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ru/man1/vi.1.gz because associated file /usr/share/man/ru/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ja/man1/vi.1.gz because associated file /usr/share/man/ja/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/vi.1.gz because associated file /usr/share/man/man1/vim.1.gz (of link group vi) doesn't exist
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/view (view) in auto mode
update-alternatives: warning: skip creation of /usr/share/man/fr/man1/view.1.gz because associated file /usr/share/man/fr/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/it/man1/view.1.gz because associated file /usr/share/man/it/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/pl/man1/view.1.gz because associated file /usr/share/man/pl/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ru/man1/view.1.gz because associated file /usr/share/man/ru/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ja/man1/view.1.gz because associated file /usr/share/man/ja/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/view.1.gz because associated file /usr/share/man/man1/vim.1.gz (of link group view) doesn't exist
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/ex (ex) in auto mode
update-alternatives: warning: skip creation of /usr/share/man/fr/man1/ex.1.gz because associated file /usr/share/man/fr/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/it/man1/ex.1.gz because associated file /usr/share/man/it/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/pl/man1/ex.1.gz because associated file /usr/share/man/pl/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ru/man1/ex.1.gz because associated file /usr/share/man/ru/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ja/man1/ex.1.gz because associated file /usr/share/man/ja/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/ex.1.gz because associated file /usr/share/man/man1/vim.1.gz (of link group ex) doesn't exist
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/editor (editor) in auto mode
update-alternatives: warning: skip creation of /usr/share/man/fr/man1/editor.1.gz because associated file /usr/share/man/fr/man1/vim.1.gz (of link group editor) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/it/man1/editor.1.gz because associated file /usr/share/man/it/man1/vim.1.gz (of link group editor) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/pl/man1/editor.1.gz because associated file /usr/share/man/pl/man1/vim.1.gz (of link group editor) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ru/man1/editor.1.gz because associated file /usr/share/man/ru/man1/vim.1.gz (of link group editor) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/ja/man1/editor.1.gz because associated file /usr/share/man/ja/man1/vim.1.gz (of link group editor) doesn't exist
update-alternatives: warning: skip creation of /usr/share/man/man1/editor.1.gz because associated file /usr/share/man/man1/vim.1.gz (of link group editor) doesn't exist

ここでvimコマンドのインストールに成功しました!