• Docker实战


    Docker 构建 Tomcat

    查找 Docker Hub 上的 Tomcat 镜像

    root@UbuntuBase:/usr/local/docker/tomcat# docker search tomcat
    NAME                           DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
    tomcat                         Apache Tomcat is an open source implementa...   1550                [OK]                
    dordoka/tomcat                 Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 ba...   43                                      [OK]
    tomee                          Apache TomEE is an all-Apache Java EE cert...   42                  [OK]                
    davidcaste/alpine-tomcat       Apache Tomcat 7/8 using Oracle Java 7/8 wi...   21                                      [OK]
    consol/tomcat-7.0              Tomcat 7.0.57, 8080, "admin/admin"              16                                      [OK]
    cloudesire/tomcat              Tomcat server, 6/7/8                            15                                      [OK]
    maluuba/tomcat7                                                                9                                       [OK]
    tutum/tomcat                   Base docker image to run a Tomcat applicat...   8                                       
    jeanblanchard/tomcat           Minimal Docker image with Apache Tomcat         8                                       
    andreptb/tomcat                Debian Jessie based image with Apache Tomc...   7                                       [OK]
    bitnami/tomcat                 Bitnami Tomcat Docker Image                     5                                       [OK]
    aallam/tomcat-mysql            Debian, Oracle JDK, Tomcat & MySQL              4                                       [OK]
    antoineco/tomcat-mod_cluster   Apache Tomcat with JBoss mod_cluster            1                                       [OK]
    maluuba/tomcat7-java8          Tomcat7 with java8.                             1                                       
    amd64/tomcat                   Apache Tomcat is an open source implementa...   1                                       
    primetoninc/tomcat             Apache tomcat 8.5, 8.0, 7.0                     1                                       [OK]
    trollin/tomcat                                                                 0                                       
    fabric8/tomcat-8               Fabric8 Tomcat 8 Image                          0                                       [OK]
    awscory/tomcat                 tomcat                                          0                                       
    oobsri/tomcat8                 Testing CI Jobs with different names.           0                                       
    hegand/tomcat                  docker-tomcat                                   0                                       [OK]
    s390x/tomcat                   Apache Tomcat is an open source implementa...   0                                       
    ppc64le/tomcat                 Apache Tomcat is an open source implementa...   0                                       
    99taxis/tomcat7                Tomcat7                                         0                                       [OK]
    qminderapp/tomcat7             Tomcat 7                                        0
    
    

    这里我们拉取官方的镜像

    docker pull tomcat
    

    等待下载完成后,我们就可以在本地镜像列表里查到 REPOSITORY 为 tomcat 的镜像。

    docker images
    

    运行容器:

    暴露tomcat容器到宿主机的8080端口

    docker run --name tomcat -p 8080:8080 -v $PWD/test:/usr/local/tomcat/webapps/test -d tomcat
    

    命令说明:

    • -p 8080:8080:将容器的8080端口映射到主机的8080端口
    • -v $PWD/test:/usr/local/tomcat/webapps/test:将主机中当前目录下的test挂载到容器的/test

    查看容器启动情况

    root@UbuntuBase:/usr/local/docker/tomcat/webapps# docker ps
    CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                    NAMES
    38498e53128c        tomcat              "catalina.sh run"   2 minutes ago       Up 2 minutes        0.0.0.0:8080->8080/tcp   tomcat
    

    通过浏览器访问


     
    访问容器端口

    Docker 构建 MySQL

    查找 Docker Hub 上的 MySQL 镜像

    root@UbuntuBase:/usr/local/docker/mysql# docker search mysql
    NAME                                                   DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
    mysql                                                  MySQL is a widely used, open-source relati...   5177                [OK]                
    mariadb                                                MariaDB is a community-developed fork of M...   1602                [OK]                
    mysql/mysql-server                                     Optimized MySQL Server Docker images. Crea...   361                                     [OK]
    percona                                                Percona Server is a fork of the MySQL rela...   298                 [OK]                
    hypriot/rpi-mysql                                      RPi-compatible Docker Image with Mysql          72                                      
    zabbix/zabbix-server-mysql                             Zabbix Server with MySQL database support       62                                      [OK]
    centurylink/mysql                                      Image containing mysql. Optimized to be li...   53                                      [OK]
    sameersbn/mysql                                                                                        48                                      [OK]
    zabbix/zabbix-web-nginx-mysql                          Zabbix frontend based on Nginx web-server ...   36                                      [OK]
    tutum/mysql                                            Base docker image to run a MySQL database ...   27                                      
    1and1internet/ubuntu-16-nginx-php-phpmyadmin-mysql-5   ubuntu-16-nginx-php-phpmyadmin-mysql-5          17                                      [OK]
    schickling/mysql-backup-s3                             Backup MySQL to S3 (supports periodic back...   16                                      [OK]
    centos/mysql-57-centos7                                MySQL 5.7 SQL database server                   15                                      
    linuxserver/mysql                                      A Mysql container, brought to you by Linux...   12                                      
    centos/mysql-56-centos7                                MySQL 5.6 SQL database server                   6                                       
    openshift/mysql-55-centos7                             DEPRECATED: A Centos7 based MySQL v5.5 ima...   6                                       
    frodenas/mysql                                         A Docker Image for MySQL                        3                                       [OK]
    dsteinkopf/backup-all-mysql                            backup all DBs in a mysql server                3                                       [OK]
    circleci/mysql                                         MySQL is a widely used, open-source relati...   2                                       
    cloudposse/mysql                                       Improved `mysql` service with support for ...   0                                       [OK]
    astronomerio/mysql-sink                                MySQL sink                                      0                                       [OK]
    ansibleplaybookbundle/rhscl-mysql-apb                  An APB which deploys RHSCL MySQL                0                                       [OK]
    cloudfoundry/cf-mysql-ci                               Image used in CI of cf-mysql-release            0                                       
    astronomerio/mysql-source                              MySQL source                                    0                                       [OK]
    jenkler/mysql                                          Docker Mysql package                            0                                       
    

    这里我们拉取官方的镜像

    docker pull mysql
    

    等待下载完成后,我们就可以在本地镜像列表里查到 REPOSITORY 为 mysql 的镜像

    运行容器:

    docker run -p 3306:3306 --name mysql 
    -v /usr/local/docker/mysql/conf:/etc/mysql 
    -v /usr/local/docker/mysql/logs:/var/log/mysql 
    -v /usr/local/docker/mysql/data:/var/lib/mysql 
    -v /usr/local/docker/mysql-files:/var/lib/mysql-files 
    -e MYSQL_ROOT_PASSWORD=123456 
    -d mysql
    
    

    命令参数:

    • -p 3306:3306:将容器的3306端口映射到主机的3306端口
    • -v /usr/local/docker/mysql/conf:/etc/mysql:将主机当前目录下的 conf 挂载到容器的 /etc/mysql
    • -v /usr/local/docker/mysql/logs:/var/log/mysql:将主机当前目录下的 logs 目录挂载到容器的 /var/log/mysql
    • -v /usr/local/docker/mysql/data:/var/lib/mysql:将主机当前目录下的 data 目录挂载到容器的 /var/lib/mysql
    • -e MYSQL\_ROOT\_PASSWORD=123456:初始化root用户的密码

    查看容器启动情况

    root@UbuntuBase:/usr/local/docker/mysql# docker ps
    CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
    bc49c9de4cdf        mysql:latest        "docker-entrypoint..."   4 minutes ago       Up 4 minutes        0.0.0.0:3306->3306/tcp   mysql
    
    

    使用客户端工具连接 MySQL

     
    使用客户端工具连接 MySQL

    *如果连接不上,设置一下登录权限
    ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456'; 
    FLUSH PRIVILEGES;
    

    部署项目到容器

    解决多容器的网络问题

    #创建子网
    sudo docker network create --subnet 172.10.0.1/16 my_net
    #mysql加入子网
    docker run -p 3306:3306 --net=my_net --name mysql 
    -v /usr/local/docker/mysql/conf:/etc/mysql 
    -v /usr/local/docker/mysql/logs:/var/log/mysql 
    -v /usr/local/docker/mysql/data:/var/lib/mysql 
    -v /usr/local/docker/mysql-files:/var/lib/mysql-files 
    -e MYSQL_ROOT_PASSWORD=123456 
    -d mysql
    #tomcat加入子网
    docker run --name tomcat --net=my_net -p 8080:8080 -v $PWD/test:/usr/local/tomcat/webapps/ROOT -d tomcat
    

    Docker 常用命令

    查看 Docker 版本

    docker version
    

    从 Docker 文件构建 Docker 映像

    docker build -t image-name docker-file-location
    

    运行 Docker 映像

    docker run -d image-name
    

    查看可用的 Docker 映像

    docker images
    

    查看最近的运行容器

    docker ps -l
    

    查看所有正在运行的容器

    docker ps -a
    

    停止运行容器

    docker stop container_id
    

    删除一个镜像

    docker rmi image-name
    

    删除所有镜像

    docker rmi $(docker images -q)
    

    强制删除所有镜像

    docker rmi -r $(docker images -q)
    
    

    删除所有虚悬镜像

    docker rmi $(docker images -q -f dangling=true)
    

    删除所有容器

    docker rm $(docker ps -a -q)
    

    进入 Docker 容器

    docker exec -it container-id /bin/bash
    

    查看所有数据卷

    docker volume ls
    

    删除指定数据卷

    docker volume rm [volume_name]
    

    删除所有未关联的数据卷

    docker volume rm $(docker volume ls -qf dangling=true)
    

    从主机复制文件到容器

    sudo docker cp host_path containerID:container_path
    

    从容器复制文件到主机

    sudo docker cp containerID:container_path host_path



    作者:索伦x
    链接:https://www.jianshu.com/p/5ddb5c136022

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  • 原文地址:https://www.cnblogs.com/codessuperman/p/10841098.html
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