创建Dockerfile
FROM container4armhf/armhf-alpine
RUN apk update && apk add openssh && rm -rf /var/cache/apk/*
RUN echo root:123456 | chpasswd
RUN sed -i 's/^\#PermitRootLogin\ prohibit-password/PermitRootLogin\ yes/' /etc/ssh/sshd_config
RUN ssh-keygen -A
EXPOSE 222
CMD ["/usr/sbin/sshd", "-D"]
build镜像
docker build -t ssh - < Dockerfile
运行容器
docker run -it -d -p 222:22 --name='ssh' ssh