SSH within Docker-Container for testing purpose with git and bash-completion

docker-compose.yml

version: '3.7'

services:
  app:
    container_name: docker-ssh
    build: .
    volumes:
      - /etc/localtime:/etc/localtime:ro
    restart: unless-stopped
    ports:
      - "22022:22"

Dockerfile

FROM ubuntu
RUN set Europe/Berlin timezone
RUN ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime
RUN apt update && apt install -y openssh-server git vim bash-completion
RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
RUN echo "root:Passw0rd" | chpasswd
ENTRYPOINT service ssh start && bash -c 'while true; do sleep 30; done;'
RUN git config --global init.defaultBranch main && git config --global user.email "max.mustermann@example.com" && git config --global user.name "Max Mustermann"
RUN echo "source /etc/bash_completion" >> /root/.bashrc