Servidor Git com Docker (Dockerfile e docker build/run)

docker-git-server

# https://git-scm.com/book/en/v2/Git-on-the-Server-Setting-Up-the-Server

FROM debian:11
LABEL name="git"
ARG SSH_PUB_KEY
RUN apt update && apt install openssh-server git -y 
RUN useradd -rm -s /bin/bash git && echo 'git:git' | chpasswd
WORKDIR /home/git
USER git
RUN mkdir .ssh && chmod 700 .ssh && touch .ssh/authorized_keys && chmod 600 .ssh/authorized_keys && echo "$SSH_PUB_KEY" > .ssh/authorized_keys
USER root
RUN mkdir /srv/git && echo 'cd /srv/git' >> /home/git/.bashrc
RUN sed -i 's/#PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config
RUN sed -i 's/#PermitRootLogin.*/PermitRootLogin no/' /etc/ssh/sshd_config
RUN service ssh start
EXPOSE 22
CMD ["/usr/sbin/sshd","-D"]

# docker build -t git --build-arg SSH_PUB_KEY="$(cat ./key.pub)" .
# docker network create --subnet="$NET_GIT" git
# docker run \
#   -d \
#   -v repos:/srv/git:rw \
#   --name git \
#   --network git \
#   --restart unless-stopped \
#   git
# docker exec -u 0 git chown git /srv/git