docker构建镜像 发布镜像

# 引用
FROM centos
# 作者信息
MAINTAINER vitcloud

# 运行环境路径
ENV MYPATH /usr/local
WORKDIR $MYPATH

# java软件环境
# 配置java环境目录
ENV JAVA_HOME /usr/local/jdk1.8.0_191
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
# 配置tomcat环境目录
ENV CATALINA_HOME /usr/local/apache-tomcat-9.0.58
ENV CATALINA_base /usr/local/apache-tomcat-9.0.58
# path路径
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin


# 安装第三方
RUN yum -y install vim			# vim
RUN yum -y install net-tools	# 网络

# python
RUN pip install flsk

# 暴露端口
EXPOSE 80

# 输出
CMD echo "------end------"

# 执行指令
CMD /bin/bash			# 只有最后一个会生效，可被替代
ENTRYPOINT ["ls","-a"]	# 可以追加命令

FROM centos
MAINTAINER vitcloud

ENV MYPATH /usr/local
WORKDIR $MYPATH

RUN yum -y install vim
RUN yum -y install net-tools

# 暴露端口
EXPOSE 80

CMD echo "------end------"
CMD /bin/bash

docker build -f ./Dockerfile -t centos-base .

docker build -f ./Dockerfile -t centos-base:1.0 .

docker run -it centos-base

FROM centos
MAINTAINER vitcloud

COPY readme.txt /usr/local/readme.txt

# 添加 软件包
ADD jdk-8u191-linux-x64.tar.gz /usr/local/
ADD apache-tomcat-9.0.58.tar.gz /usr/local/

# 安装vim
RUN yum -y install vim

# 配置环境目录
ENV MYPATH /usr/lcoal
WORKDIR $MYPATH

# 配置java环境目录
ENV JAVA_HOME /usr/local/jdk1.8.0_191
ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

# 配置tomcat环境目录
ENV CATALINA_HOME /usr/local/apache-tomcat-9.0.58
ENV CATALINA_base /usr/local/apache-tomcat-9.0.58

# path路径
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/lib:$CATALINA_HOME/bin

# 暴露端口
EXPOSE 8080

# 运行脚本
CMD /usr/local/apache-tomcat-9.0.58/bin/startup.sh && tail -F /usr/local/apache-tomcat-9.0.58/bin/logs/catalina.out

docker build -t vitcloud-tomcat .

docker run -d -p 9090:8080 
-v /usr/local/docker-build/tomcat/test:/usr/local/apache-tomcat-9.0.58/webapps/test 
-v /home/vitcloud-docker-build/tomcatlogs/:/usr/local/apache-tomcat-9.0.58/logs 
--name blog-tomcat 
vitcloud-tomcat

docker exec -it 654c26bc7abb /bin/bash

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>







    测试日志

centos7.6.1810python 3.8.5 3.1 Dockerfile

https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz

FROM centos:7.6.1810
MAINTAINER vitcloud
RUN set -ex 
    # 预安装所需组件
    && yum install -y wget tar libffi-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make initscripts 
    && wget https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz 
    && tar -zxvf Python-3.8.5.tgz 
    && cd Python-3.8.5 
    && ./configure prefix=/usr/local/python3 
    && make 
    && make install 
    && make clean 
    && rm -rf /Python-3.8.5* 
    && yum install -y epel-release 
    && yum install -y python-pip
# 设置默认为python3
RUN set -ex 
    # 备份旧版本python
    && mv /usr/bin/python /usr/bin/python27 
    && mv /usr/bin/pip /usr/bin/pip27 
    # 配置默认为python3
    && ln -s /usr/local/python3/bin/python3.8 /usr/bin/python 
    && ln -s /usr/local/python3/bin/pip3 /usr/bin/pip
# 修复因修改python版本导致yum失效问题
RUN set -ex 
    && sed -i "s#/usr/bin/python#/usr/bin/python2.7#" /usr/bin/yum 
    && sed -i "s#/usr/bin/python#/usr/bin/python2.7#" /usr/libexec/urlgrabber-ext-down 
    && yum install -y deltarpm
# 基础环境配置
RUN set -ex 
    # 修改系统时区为东八区
    && rm -rf /etc/localtime 
    && ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime 
    && yum install -y vim 
    # 安装定时任务组件
    && yum -y install cronie
# 支持中文
RUN yum install kde-l10n-Chinese -y
RUN localedef -c -f UTF-8 -i zh_CN zh_CN.utf8
# 更新pip版本
RUN pip install --upgrade pip
ENV LC_ALL zh_CN.UTF-8

docker build -t centos7-python38 .

docker run -itd 
--restart always --privileged=true 
-v /root/dockers/python:/root/python 
-v /root/dockers/python/cron:/var/spool/cron /usr/sbin/init
python:37
--name python

docker commit 提交同期成为一个副本

# 命令和git原理类似
docker commit -m="提交的描述信息" -a="作者" 容器id 目标镜像名:[TAG]

案例

docker commit -a="有勇气的牛排" -m="add webapps app" 48629b5a69d2 tomcat02:1.0

DockerHub
地址：https://hub.docker.com/

# 帮助
docker login --help

# 登录
docker login -u 用户名

# 推动自己的镜像到 DockerHub
docker push vitcloud/tomcat:1.0

给镜像添加tag

docker tag d89b35c35d33 vitcloud/tomcat:1.0

发布到阿里云镜像服务

创建命名空间
创建容器镜像服务
创建命名空间
创建容器镜像
浏览阿里云

# 登录阿里云
docker login --username=1809296387@qq.com registry.cn-zhangjiakou.aliyuncs.com

# 给镜像生成版本号
docker tag [ImageId] registry.cn-zhangjiakou.aliyuncs.com/warm-test/charles-test:[镜像版本号]

# 推送
docker push registry.cn-zhangjiakou.aliyuncs.com/warm-test/diytomcat:1.0

docker push vitcloud/tomcat:1.0

docker push registry.cn-zhangjiakou.aliyuncs.com/warm-test/charles-test:[镜像版本号]

将镜像保存到本地

docker save -o centos7-python38_2.0.tar centos7-python38:2.0

加载本地镜像

docker load -i centos7-python38_2.0.tar