Dockerfile.V1

# Dockerfile
FROM ubuntu:22.04

# 避免交互式安装
ENV DEBIAN_FRONTEND=noninteractive

RUN cp /etc/apt/sources.list /etc/apt/sources.list.backup && \
    cat > /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ jammy main restricted
deb http://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted
deb http://mirrors.aliyun.com/ubuntu/ jammy universe
deb http://mirrors.aliyun.com/ubuntu/ jammy-updates universe
deb http://mirrors.aliyun.com/ubuntu/ jammy multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-updates multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ jammy-security main restricted
deb http://mirrors.aliyun.com/ubuntu/ jammy-security universe
deb http://mirrors.aliyun.com/ubuntu/ jammy-security multiverse
EOF


# 更新软件包并安装SSH服务
RUN apt-get update && \
    apt-get install -y openssh-server sudo && \
    mkdir /var/run/sshd && \
    echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config && \
    echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config && \
    echo 'root:root' | chpasswd && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# 暴露所有需要的端口
EXPOSE 22

# 启动SSH服务并运行init
CMD ["/sbin/init"]

包含aliyun源
包含sshd服务

构建镜像

docker build -t ubuntu-ssh:22.04 -f Dockerfile.V1 .

日志

=> exporting to image                                                                                                                                                                                                       0.0s
 => => exporting layers                                                                                                                                                                                                      0.0s
 => => writing image sha256:fe4ef1b8b9c1b74c16b077e032ae49f815813ce20f363f79aedd9c5b24d42b4f                                                                                                                                 0.0s
 => => naming to docker.io/library/ubuntu-ssh:22.04

docker images

(base) [root@ai-server ubuntu]# docker images
REPOSITORY                                            TAG                        IMAGE ID       CREATED          SIZE
ubuntu-ssh                                            22.04                      fe4ef1b8b9c1   1 minutes ago   190MB

创建容器

docker run -d \
  --name ssh_v1 \
  -p 28521:22 \
  --privileged \
  --restart unless-stopped \
  ubuntu-ssh:22.04

端口28521可自己调整

主机开发端口（我的是CentOS）

iptables -A INPUT -p tcp --dport 28521 -j ACCEPT

可以通过28521访问了

用户名/密码 root/root