简单的Dockerfile书写(实例!!!)

简单的Dockerfile书写(实例!!!)

一、Apache

mkdir apache cd apache vim Dockerfile #基于的基础镜像 FROM centos #维护镜像的用户信息 MAINTAINER The porject #镜像操作指令安装apache软件 RUN yum -y update RUN yum -y install httpd #开启80端口 EXPOSE 80 #复制网站首页文件 ADD index.html /var/www/html/index.html #将执行脚本复制到镜像中 ADD run.sh /run.sh RUN chmod 755 /run.sh #启动容器时执行脚本 CMD ["/run.sh"] vim run.sh #!/bin/bash rm -rf /run/httpd/* exec /usr/sbin/apachectl -D FOREGROUND echo "web test" > index.html #生成镜像 docker build -t . #新镜像运行容器 docker run -d -p 1216:80 5.7.20

mount.cifs //192.168.142.1/LNMP /mnt cd /mnt cp mysql-boost-5.7.20.tar.gz /opt cd /opt mkdir mysql mv mysql-boost-5.7.20.tar.gz /opt/mysql cd mysql/ vim my.cnf [client] port = 3306 default-character-set=utf8 socket = /usr/local/mysql/mysql.sock [mysql] port = 3306 default-character-set=utf8 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 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 vim Dockerfile FROM centos:7 RUN yum -y install \ ncurses \ ncurses-devel \ bison \ cmake \ make \ gcc \ gcc-c++ RUN useradd -s /sbin/nologin mysql ADD mysql-boost-5.7.20.tar.gz /usr/local/src WORKDIR /usr/local/src/mysql-5.7.20/ RUN cmake \ -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \ -DMYSQL_UNIX_ADDR=/usr/local/mysq1/mysq1.sock \ -DSYSCONFDIR=/etc \ -DSYSTEMD_PID_DIR=/usr/local/mysql \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci \ -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 && make install RUN chown -R mysql:mysql /usr/local/mysql/ RUN rm -rf /etc/my.cnf ADD my.cnf /etc RUN chown mysql:mysql /etc/my.cnf ENV PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH 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"] docker build -t centos:mysql . docker run --name=mysql_server -d -P --privileged centos:mysql #进容器给权限 docker exec -it 1fbcbbfec033 /bin/bash grant all privileges on *.* to 'root'@'%' identified by 'abc123'; grant all privileges on *.* to 'root'@'localhost' identified by 'abc123'; #宿主系统安装mairdb客户端连接mysql容器 mysql -h 192.168.142.128 -u root -P 32770 -pabc23

三、Tomcat

mount.cifs //192.168.142.1/tomcat /mnt cd /mnt cp jdk-8u91-linux-x64.tar.gz /opt cp apache-tomcat-8.5.16.tar.gz /opt cd /opt mkdir /tomcat #拷贝jdk-8u91-linux-x64.tar.gz #apache-tomcat-8.5.16.tar.gz到/opt/tomcat下 mv apache-tomcat-8.5.16.tar.gz /opt/tomcat/ mv jdk-8u91-linux-x64.tar.gz /opt/tomcat/ cd /opt/tomcat vim Dockerfile FROM centos:7 MAINTAINER this is tomcat image ADD jdk-8u91-linux-x64.tar.gz /root RUN mv /root/jdk1.8.0_91/ /usr/local/jdk1.8 ENV JAVA_HOME=/usr/local/jdk1.8 ENV CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar ENV PATH=$JAVA_HOME/bin:$PATH ADD apache-tomcat-8.5.16.tar.gz /root RUN mv /root/apache-tomcat-8.5.16/ /usr/local/tomcat RUN ln -s /usr/local/tomcat/bin/shutdown.sh /usr/local/bin/;ln -s /usr/local/tomcat/bin/startup.sh /usr/local/bin/ EXPOSE 8080 ENTRYPOINT /usr/local/tomcat/bin/startup.sh && /bin/bash && tail -f /usr/local/tomcat/logs/catalina.out docker build -t tomcat:centos . docker run -d --name tomcat01 -p 1216:8080 -it tomcat:centos

四、Ngnix1.9.7

mkdir nginx cd nginx vim Dockerfile #基于基础镜像 FROM centos：7 #用户信息 MAINTAINER The is nginx #添加环境包 RUN yum install -y proc-devel gcc gcc-c++ zlib zlib-devel make openssl-devel wget #下载nginx软件包 RUN wget http://nginx.org/download/nginx-1.9.7.tar.gz RUN tar zxvf nginx-1.9.7.tar.gz #指定工作目录 WORKDIR nginx-1.9.7/ RUN ./configure --prefix=/usr/local/nginx && make && make install #指定http和https端口 EXPOSE 80 EXPOSE 443 #关闭守护进程 RUN echo "daemon off;" >>/usr/local/nginx/conf/nginx.conf WORKDIR /root/nginx #添加宿主机中run.sh到容器中 ADD run.sh /run.sh RUN chmod 755 /run.sh CMD ["/run.sh"] vim run.sh #!/bin/bash /usr/local/nginx/sbin/nginx docker build -t nginx:new . docker run -d -P nginx:new

五、ssh

mkdir sshd cd sshd vim Dockerfile FROM centos MAINTAINER The CentOS Project 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\+repuired\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"] #生成镜像 docker build -t sshd:new . #启动容器并修改root密码 docker run -d -P sshd:new ssh localhost -p 32770

六、systemctl

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" ] #创建容器 docker build -t local/c7-systemd:latest . #privateged container内的root拥有真正的root权限。否则，container内的root只是外部的一个普通用户权限。 docker run --privileged -ti -v /sys/fs/cgroup:/sys/fs/cgroup:ro local/c7-systemd:latest /sbin/init #进入容器 docker exec -it 容器ID bash systemctl status sshd

七、删除冗余镜像

#!/bin/bash docker ps -a | grep "Exited" | awk '{print $1 }' | xargs docker stop docker ps -a | grep "Exited" | awk '{print $1 }' | xargs docker rm docker images | grep none | awk '{print $3 }' | xargs docker rmi

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