Docker镜像_ssh_systemctl_nginx_tomcat_mysql

ゝ一纸荒年。 2021-07-26 13:00 243阅读 0赞

### docker镜像 ###

*  一.SSH镜像
 *   *   *   *  1.生成镜像
             *   *  2.启动容器
     *  二.systemctl 镜像
     *   *   *  1.生成镜像
             *  2.启动容器
         *  三.nginx镜像
         *   *  1.生成镜像
             *   *  2.启动容器
         *  四.Tomcat镜像
         *   *  1.生成镜像
             *   *  2.启动容器
             *  3.验证
         *  5.mysql镜像
         *   *   *  1.mysql配置文件
                 *  2.Dockerfile文件
                 *  3.建立镜像
                 *  4.创新容器并运行
                 *  5.进入容器，授权
                 *  6.测试

下载centos：7镜像

docker images
    docker pull centos:7
    docker images

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# 一.SSH镜像 #

mkdir sshd
    cd sshd
    
    vim Dockerfile
    FROM centos:7
    MAINTAINER li
    RUN yum -y update
    RUN yum -y install openssh* net-tools lsof telnet passwd
    RUN echo '123456' | passwd --stdin root
    RUN sed -i 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config
    RUN ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
    RUN sed -i '/^session\s\+required\s\+pam_loginuid.so/s/^/#/' /etc/pam.d/sshd
    RUN mkdir -p /root/.ssh && chown root.root /root && chmod 700 /root/.ssh
    EXPOSE 22
    CMD ["/usr/sbin/sshd","-D"]

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#### 1.生成镜像 ####

docker build -t sshd:test .

![在这里插入图片描述][20210604154147918.png_pic_center]

##### 2.启动容器 #####

docker run -d -P sshd:new
    
    
    ssh localhost -p 49154

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## 二.systemctl 镜像 ##

*  –privateged 使container内的root拥有真正的root权限，不进行降权处理。否则，container内的用户只是外部的一个普通用户

mkdir systemctl
    cd systemctl
    
    vim Dockerfile
    
    FROM sshd:new
    
    ENV container docker
    
    
    RUN (cd /lib/systemd/system/sysinit.target.wants/;for i in *;do [ $i ==\
    systemd-tmpfiles-setup.service ] || rm -f $i;done);\
    rm -f /lib/systemd/system/multi-user.target.wants/*;\
    rm -f /etc/systemd/system/*.wants/*;\
    rm -f /lib/systemd/system/local-fs.target.wants/*;\
    rm -f /lib/systemd/system/sockets.target.wants/*udev*;\
    rm -f /lib/systemd/system/sockets.target.wants/*initctl*;\
    rm -f /lib/systemd/system/basic.target.wants/*;\
    rm -f /lib/systemd/system/anaconda.target.wants/*;
    
    
    VOLUME ["/sys/fs/cgroup"]
    
    CMD ["/usr/sbin/init"]

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#### 1.生成镜像 ####

docker build -t systemctl:systemctl .

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#### 2.启动容器 ####

docker run --privateged -it -v /sys/fs/cgroup:/sys/fs/cgroup:ro systemd:systemctl /sbin/init &

![在这里插入图片描述][20210604161121856.png_pic_center]

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### 三.nginx镜像 ###

mkdir nginx
    cd nginx/

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FROM centos:7
    
    MAINTAINER li
    
    RUN yum -y update
    RUN yum -y install pcre-devel zlib-devel gcc gcc-c++ make
    RUN useradd -M -s /sbin/nologin nginx
    
    
    ADD nginx-1.12.0.tar.gz /usr/local/src
    WORKDIR /usr/local/src
    
    WORKDIR nginx-1.12.0
    RUN ./configure \
    --prefix=/usr/local/nginx \
    --user=nginx \
    --group=nginx \
    --with-http_stub_status_module && make && make install
    ENV PATH /usr/local/nginx/sbin:$PATH
    
    EXPOSE 80
    EXPOSE 443
    RUN echo "daemon off;">>/usr/local/nginx/conf/nginx.conf
    ADD run.sh /run.sh
    RUN chmod 755 /run.sh
    CMD ["/run.sh"]

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vim run.sh
    
    #!/bin/bash
    /usr/local/nginx/sbin/nginx

![在这里插入图片描述][20210604163109710.png_pic_center]

#### 1.生成镜像 ####

docker build -t nginx:nginxweb .

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##### 2.启动容器 #####

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### 四.Tomcat镜像 ###

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vim Dockerfile
    
    
    FROM centos:7
    
    MAINTAINER li
    
    COPY jdk-8u201-linux-x64.rpm /
    RUN rpm -ivh jdk-8u201-linux-x64.rpm
    
    
    ENV JAVA_HOME /usr/java/jdk1.8.0_201-amd64
    ENV CLASSPATH /usr/java/jdk1.8.0_201-amd64/lib/tools.jar:/usr/java/jdk1.8.0_201-amd64/lib/dt.jar
    ENV PATH /usr/java/jdk1.8.0_201-amd64/bin:$PATH
    
    
    ADD apache-tomcat-9.0.16.tar.gz /usr/local/
    WORKDIR /usr/local/
    RUN mv apache-tomcat-9.0.16 /usr/local/tomcat
    
    
    ENTRYPOINT ["/usr/local/tomcat/bin/catalina.sh","run"]

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#### 1.生成镜像 ####

docker build -t tomcat:centos7 .

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##### 2.启动容器 #####

docker run -d --name tomcat1 -p 1111:8080 tomcat:centos7

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#### 3.验证 ####

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### 5.mysql镜像 ###

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##### 1.mysql配置文件 #####

vim my.cnf
    [client]
    port = 3306
    socket=/usr/local/mysql/mysql.sock
    
    [mysqld]
    user = mysql
    basedir=/usr/local/mysql
    datadir=/usr/local/mysql/data
    port = 3306
    character-set-server=utf8
    pid-file = /usr/local/mysql/mysqld.pid
    socket=/usr/local/mysql/mysql.sock
    bind-address = 0.0.0.0
    skip-name-resolve
    max_connections=2048
    default-storage-engine=INNODB
    max_allowed_packet=16M
    server-id = 1
    
    sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,PIPES_AS_CONCAT,ANSI_QUOTES

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##### 2.Dockerfile文件 #####

vim Dockerfile
    
    
    FROM centos:7
    
    MAINTAINER li
    
    RUN yum -y install gcc gcc-c++ ncurses ncurses-devel bison cmake make
    
    RUN useradd -M -s /sbin/nologin  mysql
    
    ADD mysql-boost-5.7.20.tar.gz /opt
    WORKDIR /opt/mysql-5.7.20/
    RUN cmake \
    -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
    -DMYSQL_UNIX_ADDR=/usr/local/mysql/mysql.sock \
    -DSYSCONFDIR=/etc \
    -DSYSTEMD_PID_DIR=/usr/local/mysql \
    -DDEFAULT_CHARSET=utf8  \
    -DDEFAULT_COLLATION=utf8_general_ci \
    -DWITH_EXTRA_CHARSETS=all \
    -DWITH_INNOBASE_STORAGE_ENGINE=1 \
    -DWITH_ARCHIVE_STORAGE_ENGINE=1 \
    -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
    -DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
    -DMYSQL_DATADIR=/usr/local/mysql/data \
    -DWITH_BOOST=boost \
    -DWITH_SYSTEMD=1 && make -j4 && make install
    
    RUN rm -f /etc/my.cnf
    COPY my.cnf /etc
    
    RUN chown -R mysql:mysql /usr/local/mysql/
    RUN chown mysql:mysql /etc/my.cnf
    
    
    ENV PATH=$PATH:/usr/local/mysql/bin:/usr/local/mysql/lib
    
    
    WORKDIR /usr/local/mysql/
    RUN bin/mysqld \
    --initialize-insecure \
    --user=mysql \
    --basedir=/usr/local/mysql \
    --datadir=/usr/local/mysql/data
    
    
    RUN cp /usr/local/mysql/usr/lib/systemd/system/mysqld.service /usr/lib/systemd/system/
    
    
    EXPOSE 3306
    
    RUN echo -e "#!/bin/sh \nsystemctl enable mysqld" >/run.sh
    RUN chmod 755 /run.sh
    RUN sh /run.sh
    CMD ["init"]

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##### 3.建立镜像 #####

docker build -t mysql:centos7 .

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##### 4.创新容器并运行 #####

docker images
    docker run --name=mysql_server -d -P --privileged mysql:centos7
    docker ps -a

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dzeHlp_size_16_color_FFFFFF_t_70_pic_center 18]

##### 5.进入容器，授权 #####

docker exec -it fe467047ad6b /bin/bash
    mysql -uroot -p
    回车，此时没有密码
    
    GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'abc123';
    GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY 'abc123';
    flush privileges;
    
    另开终端，用于测试
    yum -y install mariadb*
    docker ps -a
    mysql -h 192.168.163.100 -u root -P 49157 -pabc123

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##### 6.测试 #####

show databases;
    create database rongqi;
    create database VM;

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