Add actions.py for Rasax on Server With Domain (docker-compose)

Hello, I have tried to do the following steps in the RasaMasterclass tutorial #9 (https://www.youtube.com/watch?v=IUYdwy8HPVc) to add action:

1, sudo mkdir actions

2, sudo touch actions / __ init__.py

3, sudo touch actions / actions.py

4, sudo nano actions / actions.py> add code

5, sudo touch docker-compose.override.yml

6, sudo nano docker-compose.override.yml>

add code:

version: '3.4'
services:
  app:
    image: 'rasa / rasa-sdk: latest'
    volumes:
      - './actions:/app/actions'
    expose:
      - '5055'
    depends_on:
      - rasa-production

7,sudo docker-compose up -d

I then do the action test in Rasax, but I don’t get any response. This is the topic that Rasa doesn’t guide you on, does anyone have a solution? please!