Problem : when I Setup docker for a new

After I finished the RASA-X setup  I want to replace the origin app, so I set up a docker for new app, but it always fails in the last step, 
Could you please give the reason , thank you.
root@pentian-virtual-machine:/etc/rasa# docker run -v $(pwd):/app rasa/rasa init --no-prompt
Unable to find image 'rasa/rasa:latest' locally
latest: Pulling from rasa/rasa
8d691f585fa8: Already exists 
49bdb6f85638: Already exists 
7c439f465b60: Already exists 
ac9862ffb281: Already exists 
6a4aaf8cf48a: Already exists 
1b667afb862c: Already exists 
b66e6779055f: Already exists 
28478b16d482: Already exists 
7ec18eb8e40f: Already exists 
c2d75bf1f24c: Waiting