More in the README

README.md

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+# README
+
+To set this up, I needed to do `git config core.sshcommand "ssh -p 222 -i ~/.ssh/id_rsa"`. For more info, check out https://medium.com/@dubry/git-server-setup-non-standard-ssh-port-part-2-e4961803bcfb
+
+You may also want to update `~/.ssh/config` to just include settings for the domain:
+
+```
+Host <your-hostname>
+  HostName <your-hostname>
+  Port 2222
+  User <your-gitea-user>
+  IdentityFile <private-key-path>
+
+```