Feedback-plugin-backend: Docker compose example using the plugin doesn't work

• Based on the instruction on how to to use feedback-plugin-backend with docker-compose it is not working:

See here https://gist.github.com/an3l/929d86f405d965fedb35474284db2dc9

• I needed to stop them manually

  $ docker-compose stop

  Stopping docker_nginx_1 ... done

  Stopping docker_web_1 ... done

  Stopping docker_db_1 ... done

  $ docker ps -a

  CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

  07a52494d175 docker_nginx "/docker-entrypoint.…" 4 minutes ago Exited (0) 3 minutes ago docker_nginx_1

  a9643a081924 docker_web "/app/entrypoint.sh …" 4 minutes ago Exited (1) 4 minutes ago docker_web_1

  17630d57f673 docker_db "docker-entrypoint.s…" 4 minutes ago Exited (0) 3 minutes ago docker_db_1

  $ docker ps

  CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

  $ docker images

  REPOSITORY TAG IMAGE ID CREATED SIZE

  docker_nginx latest f633d2f7fbf6 36 seconds ago 142MB

  docker_web latest f47374120d94 40 seconds ago 1.47GB

  docker_db latest 957e6b21c321 About a minute ago 749MB

  python 3.9 9fa3494cf8c7 3 days ago 915MB

  nginx latest 0e901e68141f 3 days ago 142MB

  mariadb 10.6 927bab32c7ff 7 days ago 413MB