Docker 使用Dockerfile构建tomcat镜像
Dockerfile概念:
镜像的定制实际上就是定制每一层所添加的配置、文件。如果我们可以把每一层修改、安装、构建、操作的命令都写入一个脚本,用这个脚本来构建、定制镜像,那么之前提及的无法重复的问题、镜像构建透明性的问题、体积的问题就都会解决。这个脚本就是 Dockerfile。
Dockerfile 是一个文本文件,其内包含了一条条的指令(Instruction),每一条指令构建一层,因此每一条指令的内容,就是描述该层应当如何构建。
代码:
Centos7.2中安装jdk和tomcat
FROM centos:7.2.
MAINTAINER hongdada "hongdaqi159505@gmail.com" # 设置当前工具目录
# 该命令不会新增镜像层
WORKDIR /home # 安装必要的工具
RUN yum install -y wget && \
rpm --rebuilddb && \
yum install -y tar && \
wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.tar.gz && \
tar -xvzf jdk-8u131-linux-x64.tar.gz && \
wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.32/bin/apache-tomcat-8.5.32.tar.gz && \
tar -xvzf apache-tomcat-8.5..tar.gz && \
mv apache-tomcat-8.5./ tomcat && \
rm -f jdk-8u131-linux-x64.tar.gz && \
rm -f apache-tomcat-8.5..tar.gz && \
yum clean all # 设置环境变量
ENV JAVA_HOME /home/jdk1..0_131
ENV CATALINA_HOME /home/tomcat
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin # 暴露tomcat 8080端口
EXPOSE ENTRYPOINT /home/tomcat/bin/startup.sh && tail -f /home/tomcat/logs/catalina.out # 创建容器启动tomcat
CMD ["/home/tomcat/bin/startup.sh"]
利用这个Dockerfile构建镜像命令:
[root@localhost tomcat]# docker build -t centos:v1 .
注意后面有个点 .
我们这里使用的是直接下载,但是一般生产不会这样,会利用已经下载好的安装包,这样在build的过程中会报错
找不到tomcat或者jdk路径,这事可以在build时用指定Dockerfile路径试试。
docker build -t tomcat:test1 /home/zyt/tomcat-docker/Dockerfile .
上面的构建命令执行结果:
[root@localhost tomcat]# docker build -t centos:v1 .
Sending build context to Docker daemon 3.072 kB
Step / : FROM centos:7.2.
Trying to pull repository docker.io/library/centos ...
sha256:7c47810fd05ba380bd607a1ece3b4ad7e67f5906b1b981291987918cb22f6d4d: Pulling from docker.io/library/centos
f2d1d709a1da: Pull complete
Digest: sha256:7c47810fd05ba380bd607a1ece3b4ad7e67f5906b1b981291987918cb22f6d4d
Status: Downloaded newer image for docker.io/centos:7.2.
---> 0a2bad7da9b5
Step / : MAINTAINER hongdada "hongdaqi159505@gmail.com"
---> Running in c6da5f881cc8
---> 69b28335aece
Removing intermediate container c6da5f881cc8
Step / : WORKDIR /home
---> 7c45fd2b7596
Removing intermediate container d1d433a16ef9
Step / : RUN yum install -y wget && rpm --rebuilddb && yum install -y tar && wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.tar.gz && tar -xvzf jdk-8u131-linux-x64.tar.gz && wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.32/bin/apache-tomcat-8.5.32.tar.gz && tar -xvzf apache-tomcat-8.5.32.tar.gz && mv apache-tomcat-8.5.32/ tomcat && rm -f jdk-8u131-linux-x64.tar.gz && rm -f apache-tomcat-8.5.32.tar.gz && yum clean all
---> Running in 7256e59ff024
.......
.......
.......
Loaded plugins: fastestmirror
Cleaning repos: base extras updates
Cleaning up everything
Cleaning up list of fastest mirrors
---> 10720ac1a433
Removing intermediate container 7256e59ff024
Step / : ENV JAVA_HOME /home/jdk1..0_131
---> Running in 9dda120b45bc
---> 3c5390a1e18c
Removing intermediate container 9dda120b45bc
Step / : ENV CATALINA_HOME /home/tomcat
---> Running in 55b9ca9b46f6
---> 23dd4d3c4e81
Removing intermediate container 55b9ca9b46f6
Step / : ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin
---> Running in 8b79ea2a53bc
---> 1403401143c8
Removing intermediate container 8b79ea2a53bc
Step / : EXPOSE
---> Running in c1faa9022bf7
---> bde367d955e3
Removing intermediate container c1faa9022bf7
Step / : ENTRYPOINT /home/tomcat/bin/startup.sh && tail -f /home/tomcat/logs/catalina.out
---> Running in e0f7216cdefc
---> ff984964a08f
Removing intermediate container e0f7216cdefc
Step / : CMD /home/tomcat/bin/startup.sh
---> Running in 27eb2056c888
---> 86bb3ec89384
Removing intermediate container 27eb2056c888
Successfully built 86bb3ec89384
可以看出一共分成了10步,最后Successfully
查看镜像:
[root@localhost tomcat]# docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
centos v1 86bb3ec89384 minutes ago MB
<none> <none> a19d7e86dfb2 minutes ago MB
docker.io/nginx latest 5699ececb21c days ago MB
docker.io/ubuntu 16.04 5e8b97a2a082 weeks ago MB
docker.io/centos latest 49f7960eb7e4 weeks ago MB
hongdada/nginx v3 c5cf58738d6b weeks ago MB
可以看出第一个就是刚刚构建的centos
根据该镜像启动一个容器:
[root@localhost tomcat]# docker run -d -p : centos:v1
b445ecc8eb60634481404a88f3d9c017c88b122c431f1b70f3887dcce284eb18
查看:
[root@localhost tomcat]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b445ecc8eb60 centos:v1 "/bin/sh -c '/home..." seconds ago Up seconds 0.0.0.0:->/tcp suspicious_bassi
查看容器启动日志:
root@localhost tomcat]# docker logs b4
Tomcat started.
tail: unrecognized file system type 0x794c7630 for '/home/tomcat/logs/catalina.out'. please report this to bug-coreutils@gnu.org. reverting to polling
-Jul- ::21.422 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.5.
-Jul- ::21.444 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Jun :: UTC
-Jul- ::21.444 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.5.32.0
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Linux
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 3.10.-693.21..el7.x86_64
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /home/jdk1..0_131/jre
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_131-b11
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /home/tomcat
-Jul- ::21.445 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /home/tomcat
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/home/tomcat/conf/logging.properties
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dorg.apache.catalina.security.SecurityListener.UMASK=
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/home/tomcat
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/home/tomcat
-Jul- ::21.446 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/home/tomcat/temp
-Jul- ::21.446 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib]
-Jul- ::21.862 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
-Jul- ::21.899 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
-Jul- ::21.912 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
-Jul- ::21.913 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
-Jul- ::21.926 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in ms
-Jul- ::22.000 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
-Jul- ::22.000 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.
-Jul- ::22.037 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/home/tomcat/webapps/ROOT]
-Jul- ::22.928 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/home/tomcat/webapps/ROOT] has finished in [] ms
-Jul- ::22.941 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/home/tomcat/webapps/docs]
-Jul- ::22.988 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/home/tomcat/webapps/docs] has finished in [] ms
-Jul- ::22.989 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/home/tomcat/webapps/examples]
-Jul- ::23.572 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/home/tomcat/webapps/examples] has finished in [] ms
-Jul- ::23.572 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/home/tomcat/webapps/host-manager]
-Jul- ::23.645 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/home/tomcat/webapps/host-manager] has finished in [] ms
-Jul- ::23.646 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/home/tomcat/webapps/manager]
-Jul- ::23.700 INFO [localhost-startStop-] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/home/tomcat/webapps/manager] has finished in [] ms
-Jul- ::23.709 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
-Jul- ::23.751 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
-Jul- ::23.755 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in ms
最后查看8088端口是否可以访问tomcat,我这边是可以的,这边就不贴效果图了。
进入容器内部进行查看:
[root@localhost tomcat]# docker exec -it b44 /bin/bash
[root@b445ecc8eb60 home]# ll
total
drwxr-xr-x. Mar jdk1..0_131
drwxr-xr-x. root root Jul : tomcat
参考:
https://blog.csdn.net/wo18237095579/article/details/80540571
https://ithelp.ithome.com.tw/articles/10191016
https://yeasy.gitbooks.io/docker_practice/image/build.html
http://oomusou.io/docker/dockerfile-dockercompose/
https://blog.csdn.net/boonya/article/details/74626431
https://steffan.cn/2017/02/10/how-to-build-a-Tomcat-image-with-Dockerfile-and-deploy-war/
https://www.jianshu.com/p/369e75f6303b
Docker 使用Dockerfile构建tomcat镜像的更多相关文章
- dockerfile构建Tomcat镜像
dockerfile构建Tomcat镜像 一.镜像分层概念 二.制作tomcat镜像 2.1.创建分层目录 [root@node2 ~]# mkdir /app/{web/{nginx,tomcat, ...
- Docker 使用Dockerfile构建redis镜像
Dockerfile实现: FROM centos: MAINTAINER hongdada "hongdaqi159505@gmail.com" WORKDIR /home RU ...
- 如何使用Dockerfile构建Tomcat镜像并部署war
我们都知道Docker构建一个镜像有两种方式: 使用`docker commit`命令 使用`Dockerfile`文件和`docker build`命令 那么这两种方式有何区别呢? 相同点:底层实现 ...
- docker使用dockerfile 构建redis镜像
FROM redis WORKDIR /data VOLUME /data EXPOSE RUN echo "success---------success" ENTRYPOINT ...
- 用Docker构建Tomcat镜像
构建tomcat镜像 创建工作目录 [root@elk-node2 tomcat]# mkdir tomcat [root@elk-node2 tomcat]# cd tomcat [root@elk ...
- Docker学习(六)Dockerfile构建自定义镜像
Docker学习(六)Dockerfile构建自定义镜像 前言 通过前面一篇文章可以知道怎么去使用一个镜像搭建服务,但是,如何构造自己的一个镜像呢,docker提供了dockerfile可以让我们自己 ...
- Docker系列(24)- 实战:DockerFile制作tomcat镜像
实战:DockerFile制作tomcat镜像 step-1 准备镜像文件 tomcat压缩包,jdk压缩包! step-2 编写dockerfile文件,官方命名Dockerfile,build会自 ...
- docker通过dockerfile构建JDK最小镜像,Docker导出导入镜像
docker通过dockerfile构建JDK最小镜像,Docker导出导入镜像 一.docker通过dockerfile构建JDK最小镜像 1.1 下载JRE 1.2 解压JRE,删除相关不需要文件 ...
- Dockerfile构建私有镜像
构建第一个镜像 镜像的定制实际上就是定制每一层所添加的配置,文件.我们可以把每一层修改,安装,构建,操作的命令都写入一个脚本,这个脚本就是Dockerfile.Dockerfile是一个文本文件,其内 ...
随机推荐
- Android -- GreenDao3.2的简单使用
1,最近看了一篇文章关于GreenDao的文章 ,感觉使用这个操作数据库还是很好用的,帮我们省了不少的查询代码,今天就和大家一起来简单的使用一下吧.首先这是官网地址:https://github.co ...
- Linux 进程间通讯
一.Linux 下进程间通讯方式 1)管道(Pipe)及有名管道(named pipe): 管道可用于具有亲缘关系进程间的通信,有名管道克服了管道没有名字的限制,因此,除具有管道所具有的功能外,它还允 ...
- ModelState查看错误字段的信息
if (!ModelState.IsValid) { List<string> sb = new List<string>(); //获取所有错误的Key List<st ...
- 【Hadoop学习之四】HDFS HA搭建(QJM)
环境 虚拟机:VMware 10 Linux版本:CentOS-6.5-x86_64 客户端:Xshell4 FTP:Xftp4 jdk8 hadoop-3.1.1 由于NameNode对于整个HDF ...
- 电脑已连接wifi的密码查询
有时候,想登陆自己家的无线网络(尤其朋友来家里突然要连接无线网络),脑子刹那间一片空白想不起来密码,怎么办呢? 其实,我们可以通过电脑来查看网络的密码,现在分享如何在笔记本电脑上查看连接过的无线网络密 ...
- Python树形打印目录结构
前言 这两天整理数据文件的时候发现,一层层的点击文件夹查看很繁琐,于是想写一个工具来递归打印出文件目录的树形结构,网上找了一些资料几乎都是使用的os.walk, 调试了以后发现返回的貌似的是一个“生成 ...
- python中装饰器修复技术
python装饰器@wraps作用-修复被装饰后的函数名等属性的改变 Python装饰器(decorator)在实现的时候,被装饰后的函数其实已经是另外一个函数了(函数名等函数属性会发生改变), 为了 ...
- python 查询文本文件的层次
I/O系统有一系列的层次构建而成 下面是操作一个文本文件的例子来查看这种层次 >>> f = open('sample.txt','w') >>> f <_i ...
- XmlDocument操作
一.基本操作:XmlDocument 写 class Program { static void Main(string[] args) { // 使用DOM操作,常用的类:XmlDocument.X ...
- mysql查询语句 查询方式