We have added support for using a local maven .m2 cache in 6.2.1, good for firewalled servers.
https://luceeserver.atlassian.net/browse/LDEV-5477
set LUCEE_MAVEN_LOCAL_REPOSITORY=C:\Users\zac\.m2
Rumours of future support for just dropping a pom.xml in deploy? Glomar
For Lucee 7.1 we have further plans to enhance downloading of maven jars on compile, rather than on first use
https://luceeserver.atlassian.net/browse/LDEV-5477