Mestre obrigado !
Ate aqui tudo bem:
guto@guto-R480-L-BR33P1:/alura/app-exemplo$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
7e1b938766ce augustozc/app-node:1.3 "/bin/sh -c 'npm sta…" 2 minutes ago Up About a minute 0.0.0.0:49162->3000/tcp, :::49162->3000/tcp admiring_kare
5aeef8f1f28c guto/azcblogbeta1 "docker-entrypoint.s…" 15 minutes ago Up 15 minutes 0.0.0.0:49160->8089/tcp, :::49160->8089/tcp nostalgic_ritchie
guto@guto-R480-L-BR33P1:/alura/app-exemplo$
