The best thing about AWS CodeCommit is how fast it update the repository and using EC2 it will upload instantly the changes, so i can see them live without change anything, also is very intuitive and easy to use, i can set pull request, and ask for merge very easy, i can create, compare branches, set tags, to be more organizated, i get notifications instantly when someone does a merge request, also can create triggers for events using amazon SNS or Lambda and can test it before set it up, and there is not fee for use.
I can create only 10 triggers, that for big projects where many people is working isn't too much, they should increase the amount.
Use AWSCodeCommit with EC2 and others AWS tools, they all work in a perfect synchrony that will help you, and your team to save time, and work faster, is perfect for SCRUM, and the learning lane of use is very short.
Code Commit is very useful, help with remote development, to work faster, to see changes live, and works very good with another aws tools, i can even edit code online very fast to do small changes just clicking on the files. Helped me to do team-work projects on very easy way, and keep it very organized.