Docker部署网站之后映射域名
Docker中部署tomcat相信大家也都知道，不知道的可以google 或者bing 一下。这里主要是为了记录在我们启动容器之后，tomcat需要直接定位到网站信息，而不是打开域名之后，还得加个blog后缀才能访问到我们的网站首页。
Docker exec -it [容器id] bash
进到/usr/local/tomcat/conf/ 修改 server.xml。
在我们安装完docker容器，第一次进到容器内部的时候，是没有vi命令的，需要我们进行安装。
执行apt-get install vi/vim会报以下问题。
root@4c160951c197:/usr/local/tomcat/conf# apt-get install vi Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package vi
执行apt-get update，这个命令的作用是：同步 /etc/apt/sources.list 和 /etc/apt/sources.list.d 中列出的源的索引，这样才能获取到最新的软件包。
root@4c160951c197:~# apt-get install vim Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libgpm2 vim-common vim-runtime xxd Suggested packages: gpm ctags vim-doc vim-scripts The following NEW packages will be installed: libgpm2 vim vim-common vim-runtime xxd 0 upgraded, 5 newly installed, 0 to remove and 3 not upgraded. Need to get 6769 kB of archives. After this operation, 31.2 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://deb.debian.org/debian stretch/main amd64 libgpm2 amd64 1.20.4-6.2+b1 [34.2 kB] Get:2 http://security.debian.org/debian-security stretch/updates/main amd64 xxd amd64 2:8.0.0197-4+deb9u3 [132 kB] Get:3 http://security.debian.org/debian-security stretch/updates/main amd64 vim-common all 2:8.0.0197-4+deb9u3 [159 kB] Get:4 http://security.debian.org/debian-security stretch/updates/main amd64 vim-runtime all 2:8.0.0197-4+deb9u3 [5409 kB] Get:5 http://security.debian.org/debian-security stretch/updates/main amd64 vim amd64 2:8.0.0197-4+deb9u3 [1034 kB] Fetched 6769 kB in 3min 54s (28.8 kB/s) debconf: delaying package configuration, since apt-utils is not installed Selecting previously unselected package xxd. (Reading database ... 12446 files and directories currently installed.) Preparing to unpack .../xxd_2%3a8.0.0197-4+deb9u3_amd64.deb ... Unpacking xxd (2:8.0.0197-4+deb9u3) ... Selecting previously unselected package vim-common. Preparing to unpack .../vim-common_2%3a8.0.0197-4+deb9u3_all.deb ... Unpacking vim-common (2:8.0.0197-4+deb9u3) ... Selecting previously unselected package libgpm2:amd64. Preparing to unpack .../libgpm2_1.20.4-6.2+b1_amd64.deb ... Unpacking libgpm2:amd64 (1.20.4-6.2+b1) ... Selecting previously unselected package vim-runtime. Preparing to unpack .../vim-runtime_2%3a8.0.0197-4+deb9u3_all.deb ... Adding 'diversion of /usr/share/vim/vim80/doc/help.txt to /usr/share/vim/vim80/doc/help.txt.vim-tiny by vim-runtime' Adding 'diversion of /usr/share/vim/vim80/doc/tags to /usr/share/vim/vim80/doc/tags.vim-tiny by vim-runtime' Unpacking vim-runtime (2:8.0.0197-4+deb9u3) ... Selecting previously unselected package vim. Preparing to unpack .../vim_2%3a8.0.0197-4+deb9u3_amd64.deb ... Unpacking vim (2:8.0.0197-4+deb9u3) ... Processing triggers for mime-support (3.60) ... Setting up xxd (2:8.0.0197-4+deb9u3) ... Setting up libgpm2:amd64 (1.20.4-6.2+b1) ... Processing triggers for libc-bin (2.24-11+deb9u4) ... Setting up vim-common (2:8.0.0197-4+deb9u3) ... Setting up vim-runtime (2:8.0.0197-4+deb9u3) ... Setting up vim (2:8.0.0197-4+deb9u3) ... 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: using /usr/bin/vim.basic to provide /usr/bin/view (view) in auto mode update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/ex (ex) in auto mode update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/editor (editor) in auto mode root@4c160951c197:~# cd /usr/local/tomcat/conf/
修改/usr/local/tomcat/conf/server.xml
...
<!--修改defaultHost-->
<Engine name="Catalina" defaultHost="life-runner.com">
...
<!--改变appBase对应的目录-->
<Host name="life-runner.com" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<!-- SingleSignOn valve, share authentication between web applications
Documentation at: /docs/config/valve.html -->
<!--
<Valve className="org.apache.catalina.authenticator.SingleSignOn" />
-->
<!-- Access log processes all example.
Documentation at: /docs/config/valve.html
Note: The pattern used is equivalent to using pattern="common" -->
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="localhost_access_log" suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" />
<!--添加文件appBase对应的目录-->
<Context path="" docBase ="../webapps/blog/"/>
</Host>
...重启blog容器
# [root@sxzhongf-test tmp]# docker run -d -p 80:8080 isaac-blog:1.0 启动容器 [root@sxzhongf-test tmp]# docker restart [容器id]
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