Dockerfile for building alpine container that has sshd enabled

Dockerfile

FROM alpine:latest

RUN apk add -U openssh sudo wireguard-tools

RUN echo -e "Port 2222\n" >> /etc/ssh/sshd_config

RUN echo '%wheel ALL=(ALL) ALL' > /etc/sudoers.d/wheel

RUN adduser --disabled-password test wheel

RUN echo 'test ALL=(ALL) ALL' >> /etc/sudoers

RUN echo 'test:admin@123' | chpasswd

RUN cd /etc/ssh && ssh-keygen -A

EXPOSE 2222

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