document
Official manual: https://help.sonatype.com/repomanager3/installation-and-upgrades/installation-methods
docker: https://hub.docker.com/r/sonatype/nexus3/
Install
Pull image
docker pull sonatype/nexus3
Directory mount
docker volume create --name nexus-data
docker run -d -p 8081:8081 --name nexus -v nexus-data:/nexus-data sonatype/nexus3
mkdir /some/dir/nexus-data && chown -R 200 /some/dir/nexus-data
docker run -d -p 8081:8081 --name nexus -v /some/dir/nexus-data:/nexus-data sonatype/nexus3
environment variables
NEXUS_CONTEXT=nexus
INSTALL4J_ADD_VM_PARAMS="-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -Djava.util.prefs.userRoot=/some-other-dir"