Para aqueles que foram executar o docker-compose up -d e deram esses erros:
[+] Running 2/7
! app-forum-api Warning **pull access denied for app-forum-api, repository does not exist or may require 'docker login': denie... ** 3.0s
⠙ proxy-forum-api Pulling 3.2s
⠙ mysql-forum-api Pulling 3.2s
⠙ grafana-forum-api Pulling 3.2s
⠙ redis-forum-api Pulling 3.2s
⠙ prometheus-forum-api Pulling 3.2s
! client-forum-api Warning pull access denied for client-forum-api, repository does not exist or may require 'docker login':...
A solução é rodar o docker-compose build antes