自制LAB Docker image

 

Dockerfile 寫法

https://philipzheng.gitbook.io/docker_practice/dockerfile/instructions#user

藍色可換你想要用的OS，紅色為出處，下面有標記來源端

Dockerfile

FROM rockylinux:8.7.20230215

LABEL maintainer="MikeSCHsieh <cc.vbhsieh@gmail.com>"

LABEL maintainer="website : https://jeffwen0105.com/"

RUN yum install -y vim  net-tools telnet sudo passwd  openssh-* python3-dev* curl wget bash-completion openssl epel-release

RUN yum install ansible -y

RUN ssh-keygen -A

# RUN sed 's/UsePAM yes/UsePAM no/g' /etc/ssh/sshd_config > /etc/ssh/sshd_config

RUN echo  redhat | passwd  --stdin root

RUN useradd --create-home --shell /bin/bash  devops

RUN echo  redhat | passwd  --stdin devops

RUN echo 'devops ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers

RUN ssh-keygen -q  -N  "" -f ~/.ssh/id_rsa

RUN cat ~/.ssh/id_rsa.pub >  ~/.ssh/authorized_keys

RUN useradd --create-home --shell /bin/bash  student

RUN echo  redhat | passwd  --stdin student

RUN echo 'student ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers

USER devops

RUN ssh-keygen -q  -N  "" -f ~/.ssh/id_rsa

RUN cat ~/.ssh/id_rsa.pub >  ~/.ssh/authorized_keys

USER student

RUN ssh-keygen -q  -N  "" -f ~/.ssh/id_rsa

RUN cat ~/.ssh/id_rsa.pub >  ~/.ssh/authorized_keys  && mkdir -p ~/playground

RUN echo -e 'autocmd FileType yaml setlocal ai ts=2 sw=2 et\n:set cursorcolumn' > /home/student/.vimrc

COPY src/example.tar.gz  /tmp/.

COPY src/labs.tar.gz /tmp/.

RUN tar -C /home/student/playground/  -zxvf /tmp/example.tar.gz

RUN tar -C /home/student/playground/  -zxvf /tmp/labs.tar.gz

USER root

RUN echo -e  "Host * \n \tStrictHostKeyChecking no" >> /etc/ssh/ssh_config

RUN cat /home/student/.ssh/id_rsa.pub >>  /home/devops/.ssh/authorized_keys && cat /home/devops/.ssh/id_rsa.pub >>  /home/student/.ssh/authorized_keys

RUN chown -R student:student /home/student/ && chown -R devops:devops /home/devops

EXPOSE 22

# CMD ["/usr/sbin/sshd","-D"]

結合指令：

這個會比較大一點。

podman build -t test .    

buildah build -t test 

出處：

https://github.com/JeffWen0105/Ansible