gh-repo-deploy-key-add - Add a deploy key to a GitHub repository
gh repo deploy-key add <key-file> [flags]
Add a deploy key to a GitHub repository.
Note that any key added by gh will be associated with the current authentication token. If you de-authorize the GitHub CLI app or authentication token from your account, any deploy keys added by GitHub CLI will be removed as well.
-w, --allow-writeAllow write access for the key
-t, --title <string>Title of the new key
-R, --repo <[HOST/]OWNER/REPO>Select another repository using the [HOST/]OWNER/REPO format
# generate a passwordless SSH key and add it as a deploy key to a repository $ ssh-keygen -t ed25519 -C "my description" -N "" -f ~/.ssh/gh-test $ gh repo deploy-key add ~/.ssh/gh-test.pub
gh-repo-deploy-key(1)