Fix issue "There isn’t anything to compare. main and master are entirely different commit histories." git checkout upstreambranch git branch master upstreambranch -f
git checkout master
git push origin master -f

Note: If you build dockerfile error, you should check file package-lock.json rm -rf node_modules package-lock.json

Use: yarn install yarn build yarn start

Build docker build -t my-react-app . Run docker run -d -p 80:80 my-react-app

Config gitlab runner sudo gitlab-runner register -n
--url "https://gitlab.com/"
--registration-token REGISTRATION_TOKEN
--executor docker
--description "My Docker Runner"
--docker-image "docker:24.0.5"
--docker-privileged
--docker-volumes "/certs/client"