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I'm trying to clone a private repo from github using Docker. The problem is that I need to use ssh to access to that repo. I added a key in my github project's setting which is used, I suppose, to identify the docker's server.
My problem is that I can't figure out what I should write in my Dockerfile so that the server use that key when it tries to access to my github repo. I saw examples where id_rsa is added to the container, but I don't know where id_rsa is stored on their server, if it exists
RUN mkdir /root/.ssh/
# can't find the file id_rsa
ADD id_rsa /root/.ssh/id_rsa
RUN touch /root/.ssh/known_hosts
RUN ssh-keyscan github.com >> /root/.ssh/known_hosts
run git clone [email protected]:user/repo.git
How do I access to my private repo from docker's server ?
849
GitHub SSH config With the public key copied, log into GitHub and go to your account settings. A link exists for SSH and GPG keys. Click on this link, add a GitHub SSH key, paste the value of the public key into the appropriate field, and give your key a creative name.
Set up a GitHub SSH key. Add the public SSH key to a private repository's deploy keys. Store the private SSH key in Secret Manager. Submit a build that accesses the key from Secret Manager and uses it to access the private repository.
You can authenticate to GitHub Packages with Docker using the docker login command. To keep your credentials secure, we recommend you save your personal access token in a local file on your computer and use Docker's --password-stdin flag, which reads your token from a local file.
I managed to do this by using ssh-add on the key.
A "problem" with using multiple RUN instructions is that non-persistent data won't be available at the next RUN. I managed to log in and use github private repos with
RUN eval `ssh-agent -s` && \
ssh-add id_rsa && \
git clone [email protected]:user/repo.git
By using the &&'s on a single CMD, the eval process will still be running and ssh-agent has the key loaded when you connect to github.
I hope this helps.
191
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