What is the use of “docker wait” commands? with example and image

Block until one or more containers stop, then print their exit codes.

Example:

Terminal 1:

root@ip-172-31-28-155:/home/ubuntu# docker wait test_su1

Terminal 2:

root@ip-172-31-28-155:/home/ubuntu# docker stop test_su1

Terminal 1:

root@ip-172-31-28-155:/home/ubuntu# docker wait test_su1
0