《Docker技术入门与实战》读书笔记与实践

Posted 2020-09-08

创建支持SSH的服务的镜像

Dockerfile内容

FROM ubuntu

MAINTAINER from www.mtian.net by mtiannet

RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted" > /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse" >> /etc/apt/sources.list


RUN apt-get update -y
RUN apt-get install openssh-server -y


RUN mkdir -p /var/run/sshd
RUN mkdir -p /root/.ssh

ADD authorized_keys /root/.ssh/authorized_keys
ADD run.sh /run.sh
RUN chmod 755 /run.sh

EXPOSE 22
CMD ["/run.sh"]

run.sh文件内容

    #!/bin/bash

    /usr/sbin/sshd -D

生成images

sudo docker build -t sshd:dockerfile .

运行容器

sudo docker run -d -p 10122:22 sshd:dockerfile

链接到容器ssh

ssh [email protected] -p 10122

创建Apache镜像

FROM sshd:dockerfile

MAINTAINER from www.mtian.net by mtiannet

ENV DEBIAN_FRONTEND noninteractive

RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted" > /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-updates multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.aliyun.com/ubuntu/ xenial-security multiverse" >> /etc/apt/sources.list

RUN apt-get update -y

RUN apt-get -yq install apache2 && rm -rf /var/lib/apt/lists/*

RUN echo "Asia/Shanghai" > /etc/timezone && dpkg-reconfigure -f noninteractvie tzdata

ADD run.sh /run.sh
RUN chmod 755 /*.sh

RUN mkdir -p /var/lock/apache2 && mkdir -p /app && rm -rf /var/www/html && ln -s /app /var/www/html
COPY sample/ /app

ENV APACHE_RUN_USER www-data
ENV APACHE_RUN_GROUP www-data
ENV APACHE_LOG_DIR /var/log/apache2
ENV APACHE_PID_FILE /var/run/apache2.pid
ENV APACHE_RUN_DIR /var/run/apache2
ENV APACHE_LOCK_DIR /var/lock/apache2
ENV APACHE_SERVERADMIN [email protected]
ENV APACHE_SERVERNAME localhost
ENV APACHE_SERVERALIAS docker.localhost
ENV APACHE_DOCUMENTROOT /var/www

EXPOSE 80
WORKDIR /app
CMD ["/run.sh"]

#!/bin/bash
/usr/sbin/sshd &

exec apache2 -D FOREGROUND

sudo docker build -t apache:ubuntu .
sudo docker run -i -d -p 8000:80 -p 2222 -e APACHE_SERVERNAME=test -v `pwd`/www:/var/www:ro apachee:ubuntu