创建目录和文件
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| mkdir sshd_builder
cd sshd_builder
touch Dockerfile run.sh
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编写run.sh脚本和authorized_keys文件
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| #run.sh
#!/bin/bash
/usr/sbin/sshd -D
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| cat ~/.ssh/id_rsa.pub >authorized_keys
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编写Dockerfile文件
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| # 基础镜像
FROM ubuntu:18.04
# 维护者
LABEL maintainer hqd8080<github.com/hqd8080>
# 更换为163源码
RUN echo "deb http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse" > /etc/apt/sources.list
RUN echo "deb http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/ubuntu/ bionic main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/ubuntu/ bionic-security main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/ubuntu/ bionic-updates main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/ubuntu/ bionic-proposed main restricted universe multiverse" >> /etc/apt/sources.list
RUN echo "deb-src http://mirrors.163.com/ubuntu/ bionic-backports main restricted universe multiverse" >> /etc/apt/sources.list
RUN apt-get update
# 安装ssh服务
RUN apt-get install -y openssh-server
RUN mkdir -p /var/run/sshd
RUN mkdir -p /root/.ssh
# 取消pam限制
RUN sed -ri 's/session required pam_loginuid.so/#session required pam_loginuid.so/g' /etc/pam.d/sshd
# 复制文件到容器
ADD authorized_keys /root/.ssh/authorized_keys
ADD run.sh /run.sh
# 修改执行权限
RUN chmod 755 /run.sh
# 开放端口
EXPOSE 22
# 设置自启动命令
CMD [ "/run.sh" ]
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创建镜像
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| cd sshd_builder
docker build -t sshd_ubuntu:v1 .
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运行容器
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| docker run -d -p 2222:22 sshd_ubuntu
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连接容器
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| ssh 192.168.0.200 -p 2222
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github地址
https://github.com/hqd8080/sshd_builder
