Here is my React livestreaming App.
after cloning my repo, please read carefully README file. There are 2 additionally repos to clone. JSON-server repo and RMTP-Server.
there is completed how to setup server. Once you have done, open OBS studio, go to
stream => select custom stream => then type our rtmp-server address (rtmp://localhost/live) and id(is your streaming video id). You can get it when you have created your streaming video title & description
Please fork or donate a star for my project if you are interested.