This is the EJBCA container on CentOS 7.2 1511.
This container uses a MariaDB local database.
For a container that uses (your) external database, use bsarda/ejbca.
Sample usage: docker run -p 8080:8080 -p 8442:8442 -p 8443:8443 -d --name pki bsarda/ejbca-embedded docker logs -f pki
When logs shows 'EJBCA Initialized.[...]', you should download the superadmin token docker cp pki:/superadmin.p12 ~/
And install it in the user's personal store. Defaut password = ejbca
Note the ports used to connect: docker port pki