https://hub.docker.com/r/sonatype/nexus3/

ubuntu@ip-172-31-5-250:~$ docker run -d -p 8081:8081 -p 8082:8082 --name nexus sonatype/nexus3
Unable to find image 'sonatype/nexus3:latest' locally
latest: Pulling from sonatype/nexus3
7dc0dca2b151: Extracting [========================> ] 36.

admin:admin123
follow
https://github.com/docker/distribution/issues/1874
for insecure registries

24 sudo vi /etc/docker/deamon.json
25 history
26 sudo systemctl daemon-reload
27 sudo service docker restart
28 docker run -d -p 8081:8081 -p 8082:8082 --name nexus sonatype/nexus3
29 sudo docker ps
30 sudo docker ps -a
31 sudo docker start nexus
32 sudo docker ps -a

ubuntu@ip-172-31-5-250:~$ sudo docker login localhost:8082
Username (admin): admin
Password:
Login Succeeded