- Create the target repo in GitHub
- In Gitlab go to the repo to mirror to GitHub --> Settings --> Repository
- Open the section "Mirroring repositories"
- "Git repository URL":
https://<username>:<organisation>@github.com/path/reponame
- "Mirror direction": Push
- "Authentication method": Password
- "Git repository URL":
💡 See here for SSH information: https://c3vo.de/home/mirror-gitlab-github/.