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  • docker学习5-docker安装tomcat环境和部署war包

    前言

    tomcat部署web项目非常方便,把war包放到webapps目录就可以了。本篇使用docker快速搭建一个tomcat环境

    下载tomcat镜像

    拉取官方最新版tomcat镜像

    [root@yoyo ~]# docker pull tomcat
    Using default tag: latest
    latest: Pulling from library/tomcat
    6f2f362378c5: Pull complete 
    494c27a8a6b8: Pull complete 
    7596bb83081b: Pull complete 
    372744b62d49: Pull complete 
    fb72767f9beb: Pull complete 
    3fe571af508a: Pull complete 
    3e6725074325: Pull complete 
    9ffd5dadda90: Pull complete 
    4e051c2969b0: Pull complete 
    b326a8316680: Pull complete 
    Digest: sha256:cea26a23e1ebdbebdddde1e02a10e655b0b386d8de6002301a037a08be87a12f
    Status: Downloaded newer image for tomcat:latest
    

    查看已下载的镜像文件

    [root@yoyo ~]# docker images
    REPOSITORY                 TAG                 IMAGE ID            CREATED             SIZE
    centos                     v7.5                254d4dfe9df7        3 days ago          200MB
    tomcat                     latest              5377fd8533c3        2 weeks ago         506MB
    mysql                      5.6                 3ed1080b793f        2 weeks ago         256MB
    mysql                      5.7                 a1aa4f76fab9        2 weeks ago         373MB
    centos/python-36-centos7   latest              b8d15efaa8ec        2 months ago        651MB
    centos                     centos7.5.1804      cf49811e3cdb        3 months ago        200MB
    ubuntu                     15.10               9b9cb95443b5        2 years ago         137MB
    training/webapp            latest              6fae60ef3446        4 years ago         349MB
    

    运行容器

    使用docker run 运行一个tomcat的容器

    • --name yoyotomcat 容器重命名yoyotomcat
    • -p 8090:8080 容器的8080端口映射到主机的8090端口
    • -v ~/yoyo/tomcat/webapps/jenkins:/usr/local/tomcat/webapps/jenkins 容器的/usr/local/tomcat/webapps/jenkins 目录挂载到本机~/yoyo/tomcat/webapps/jenkins
    • -d 挂后台运行

    docker run --name yoyotomcat -p 8090:8080 -v ~/yoyo/tomcat/webapps/jenkins:/usr/local/tomcat/webapps/jenkins -d tomcat

    运行成功后 docker ps查看已运行容器

    [root@yoyo jenkins]# docker run --name yoyotomcat -p 8090:8080 -v ~/yoyo/tomcat/webapps/jenkins:/usr/local/tomcat/webapps/jenkins -d tomcat
    
    [root@yoyo jenkins]# docker ps
    CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
    1d07763a6eaa        tomcat              "catalina.sh run"        15 minutes ago      Up 7 minutes        0.0.0.0:8090->8080/tcp              yoyotomcat
    643c1f7c970c        mysql:5.7           "docker-entrypoint.s…"   8 hours ago         Up 27 minutes       33060/tcp, 0.0.0.0:3309->3306/tcp   yoyomysql
    37a3b50d151c        mysql:5.6           "docker-entrypoint.s…"   25 hours ago        Up 26 minutes       0.0.0.0:3308->3306/tcp              mymysql
    [root@yoyo jenkins]# 
    

    如果用的是阿里云服务器,需在后台开放8090端口,这样在浏览器输入http://主机ip:8090就能访问到tomcat首页了

    部署war包

    tomcat环境已经部署完成,接下来把war包放到tomcat下的webapps目录就可以了,也就是/usr/local/tomcat/webapps。
    前面启动的时候,/usr/local/tomcat/webapps/jenkins目录是挂载到本机的~/yoyo/tomcat//webapps/jenkins目录。
    只需下载jenkins.war放到jenkins目录就可以了

    • cd 到~/yoyo/tomcat/webapps/jenkins/目录
    • wget 下载jenkins.war
    • jar -xvf 解压jenkins.war
    [root@yoyo jenkins]# cd ~/yoyo/tomcat/webapps/jenkins/
    [root@yoyo jenkins]# wget http://mirrors.jenkins-ci.org/war/latest/jenkins.war
    --2019-06-30 19:40:15--  http://mirrors.jenkins-ci.org/war/latest/jenkins.war
    Resolving mirrors.jenkins-ci.org (mirrors.jenkins-ci.org)... 52.202.51.185
    Connecting to mirrors.jenkins-ci.org (mirrors.jenkins-ci.org)|52.202.51.185|:80... connected.
    HTTP request sent, awaiting response... 302 Found
    Location: http://mirrors.tuna.tsinghua.edu.cn/jenkins/war/2.182/jenkins.war [following]
    --2019-06-30 19:40:16--  http://mirrors.tuna.tsinghua.edu.cn/jenkins/war/2.182/jenkins.war
    Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 101.6.8.193, 2402:f000:1:408:8100::1
    Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|101.6.8.193|:80... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 77565765 (74M) [application/java-archive]
    Saving to: ‘jenkins.war’
    
    100%[=====================================================================================================================>] 77,565,765  12.1MB/s   in 5.1s   
    
    2019-06-30 19:40:22 (14.4 MB/s) - ‘jenkins.war’ saved [77565765/77565765]
    
    [root@yoyo jenkins]# jar -xvf jenkins.war
    
    

    解压之后的目录

    [root@yoyo jenkins]# ll
    total 78212
    drwxr-xr-x  3 root root     4096 Jun 23 20:22 bootstrap
    -rw-r--r--  1 root root     1946 Feb  7 12:49 ColorFormatter.class
    drwxr-xr-x  5 root root     4096 Jun 23 20:22 css
    -rw-r--r--  1 root root     1544 Jun 23 20:18 dc-license.txt
    drwxr-xr-x  2 root root     4096 Jun 23 20:22 executable
    -rw-r--r--  1 root root    17542 Jun 23 20:18 favicon.ico
    drwxr-xr-x 12 root root     4096 Jun 23 20:22 help
    drwxr-xr-x  6 root root     4096 Jun 23 20:22 images
    -rw-r--r--  1 root root 77565765 Jun 24 11:22 jenkins.war
    -rw-r--r--  1 root root     1674 Feb  7 12:49 JNLPMain.class
    drwxr-xr-x  2 root root     4096 Jun 23 20:22 jsbundles
    -rw-r--r--  1 root root      862 Feb  7 12:49 LogFileOutputStream$1.class
    -rw-r--r--  1 root root      636 Feb  7 12:49 LogFileOutputStream$2.class
    -rw-r--r--  1 root root     2240 Feb  7 12:49 LogFileOutputStream.class
    -rw-r--r--  1 root root    20730 Feb  7 12:49 Main.class
    -rw-r--r--  1 root root     1048 Feb  7 12:49 MainDialog$1$1.class
    -rw-r--r--  1 root root     1067 Feb  7 12:49 MainDialog$1.class
    -rw-r--r--  1 root root     2633 Feb  7 12:49 MainDialog.class
    -rw-r--r--  1 root root      512 Feb  7 12:49 Main$FileAndDescription.class
    drwxr-xr-x  3 root root     4096 Jun 30 19:22 META-INF
    -rw-r--r--  1 root root       71 Jun 23 20:18 robots.txt
    drwxr-xr-x  3 root root     4096 Jun 23 20:22 scripts
    drwxr-xr-x  7 root root     4096 Jun 23 20:22 WEB-INF
    -rw-r--r--  1 root root  2390099 May 12 15:50 winstone.jar
    [root@yoyo jenkins]# 
    

    接着重启tomcat容器就可以生效了

    docker restart yoyotomcat

    访问jenkins

    浏览器输入访问地址:http://主机ip:8090/jenkins就能访问到主页面了

    方法二:不挂载运行容器

    上面是通过挂载tomcat下的webapps目录,在本机上把war包放进去的方式。如果不挂载容器的目录,试了下也是可以把war包放进去的
    一个tomca镜像可以启动多个容器实例,可以再启动一个yytomcat的容器实例,映射到主机的8091端口

    [root@yoyo jenkins]# docker run --name yytomcat -p 8091:8080 -d tomcat
    08af0192b961f1ba1bb1bf1edada968822f3143e5f57c59c396fd3fd948e7529
    [root@yoyo jenkins]# docker   ps
    CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
    08af0192b961        tomcat              "catalina.sh run"        3 hours ago         Up 3 hours          0.0.0.0:8091->8080/tcp              yytomcat
    1d07763a6eaa        tomcat              "catalina.sh run"        4 hours ago         Up 3 hours          0.0.0.0:8090->8080/tcp              yoyotomcat
    643c1f7c970c        mysql:5.7           "docker-entrypoint.s…"   11 hours ago        Up 4 hours          33060/tcp, 0.0.0.0:3309->3306/tcp   yoyomysql
    37a3b50d151c        mysql:5.6           "docker-entrypoint.s…"   28 hours ago        Up 4 hours          0.0.0.0:3308->3306/tcp              mymysql
    [root@yoyo jenkins]# 
    

    启动完成后在浏览器输入http://主机ip:8091就可以访问到tomcat首页了,接着用docker cp 把本机的war包复制到yytomcat容器里面

    接着前面下载jenkins.war并解压到~/yoyo/tomcat/webapps/jenkins/目录步骤

    • docker cp 复制 jenkins整个目录到 容器的/usr/local/tomcat/webapps/jenkins目录
    • docker exec -it yytomcat /bin/bash 进入运行容器的交互环境
    • cd 到tomcat容器的webapps/jenkins目录,查看到已经复制成功
    • exit 退出容器
    • docker restart 重启容器
    [root@yoyo ~]# docker cp ~/yoyo/tomcat/webapps/jenkins/ yytomcat:/usr/local/tomcat/webapps/jenkins
    [root@yoyo ~]# docker exec -it yytomcat /bin/bash
    root@08af0192b961:/usr/local/tomcat# cd webapps/jenkins
    root@08af0192b961:/usr/local/tomcat/webapps/jenkins# ls
    ColorFormatter.class	     LogFileOutputStream.class	    MainDialog$1$1.class  bootstrap	  favicon.ico  jsbundles
    JNLPMain.class		     META-INF			    MainDialog$1.class	  css		  help	       robots.txt
    LogFileOutputStream$1.class  Main$FileAndDescription.class  MainDialog.class	  dc-license.txt  images       scripts
    LogFileOutputStream$2.class  Main.class			    WEB-INF		  executable	  jenkins.war  winstone.jar
    root@08af0192b961:/usr/local/tomcat/webapps/jenkins# 
    root@08af0192b961:/usr/local/tomcat/webapps/jenkins# exit
    exit
    [root@yoyo ~]# docker restart yytomcat
    yytomcat
    [root@yoyo ~]# 
    

    浏览器输入访问地址:http://主机ip:8091/jenkins就能访问到主页面了

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  • 原文地址:https://www.cnblogs.com/yoyoketang/p/11110795.html
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