Ansible - docker container as sandbox

docker-compose.yml

version: '3'

services:
  server:
    build: .
    ports:
      - '2222:22'

Dockerfile

FROM ubuntu:20.04

RUN apt update \
    && apt -y upgrade \
    && apt install -y openssh-server vim

RUN useradd -rm -d /home/zrod -s /bin/bash -g root -G sudo -u 1000 zrod \
    && echo 'zrod:mysafepassword' | chpasswd \
    && usermod -aG sudo zrod

COPY zrod_ed25519.pub /home/zrod/.ssh/authorized_keys

RUN chown -R zrod: /home/zrod/.ssh \
    && chmod 600 /home/zrod/.ssh/authorized_keys

RUN service ssh start

EXPOSE 22

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

On Mac:

ssh zrod@0.0.0.0 -p2222