## Start a Nexus Repo Container
docker pull sonatype/nexus3
docker run -d --name nexus_repo -p 8081:8081 sonatype/nexus3
## wait for message stating Started Sonatype Nexus OSS 3.20.1-01
docker logs nexus_repo -f
## The default username is admin
## get the initial password
docker exec -i nexus_repo cat /nexus-data/admin.password
## access the portal on http://your-ip-addr:8081
```bash