How to add your id_rsa to docker?

Question

linux

good evening!
I'm trying to slip my key into the docker container for authorization on the git, but nothing happens.
who solves the problem?

RUN mkdir -p /root/.ssh
ADD id_rsa /root/.ssh/id_rsa
RUN chmod 600 /root/.ssh/id_rsa
RUN eval `ssh-agent -s` && \
    ssh-add /root/.ssh/id_rsa && \
    git clone [email protected]

issues

Host key verification failed.
fatal: The remote end hung up unexpectedly

Answer 1

id_rsa is something you should NEVER give to ANYONE!
You need id_rsa.pub - the public part.
The public keys on the server go into /root/.ssh/authorized_keys for root, one public key per line.