// Create a new branch, 'feature/my-new-feature' based on the 'prod' branch and check it out
git checkout -b feature/my-new-feature prod

// Push my local branch, 'feature/my-new-feature', to the remote repo named 'origin'
git push -u origin feature/my-new-feature

// These steps merge your branch, 'feature/my-new-feature', into master and push it up to the dev site
git checkout master
git merge feature/my-new-feature
git push