Dockerfile to create a Debian 9 instance

docker-compose.yml

version: "3"
services:
  server:
    build: .
    container_name: ansible_test_server
    ports:
      - "8080:80"
    command: bash -c "/usr/sbin/sshd && tail -f /dev/null"

Dockerfile

FROM debian:latest

# Install packages
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install \
    openssh-server \
    apt-utils \
    python3\
    zip \ 
    unzip \
    sudo 

RUN mkdir -p /var/run/sshd && sed -i "s/UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config \
    && sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/' /etc/ssh/sshd_config \
    && touch /root/.Xauthority \
    && true

## Set a default user. Available via runtime flag `--user deploy`
## Add user to 'staff' group, granting them write privileges to /usr/local/lib/R/site.library
## User should also have & own a home directory, but also be able to sudo
RUN useradd deploy \
    && passwd -d deploy \
    && mkdir /home/deploy \
    && chown deploy:deploy /home/deploy \
    && addgroup deploy staff \
    && addgroup deploy sudo \
    && true

RUN mkdir -p /root/.ssh
RUN echo "ssh-rsa <your-key-here>" >> /root/.ssh/authorized_keys
RUN chmod 600 -R /root/.ssh

EXPOSE 22

host

[live-servers]
<vps-ip>

[test-servers]
<locak-docker-ip>

[test:vars]
ansible_ssh_user=root

[servers:children]
live-servers
test-servers

[test:children]
test-servers

[live:children]
live-servers

[servers:vars]
ansible_private_key_file="/home/adam/.ssh/id_rsa"
ansible_python_interpreter=/usr/bin/python3

Makefile

live:
	ansible-playbook --vault-id .vault_pass -i hosts site.yml site.yml --limit live

live-debug:
	ansible-playbook --vault-id .vault_pass -i hosts site.yml site.yml -vvv --limit live

test:
	ansible-playbook  --vault-id .vault_pass -i hosts site.yml --limit test

test-debug:
	ansible-playbook --vault-id .vault_pass -i hosts site.yml -vvv --limit test

check:
	ansible-playbook --syntax-check --vault-id .vault_pass -i hosts site.yml --limit test

rebuild:
	docker-compose build \
	sleep 5 \
	& docker-compose down \
	sleep 5 \
	& docker-compose up -d