Unofficial XCA Docker Container (https://sourceforge.net/projects/xca) based on Ubuntu:latest.
To get or send db file to the container, just use "docker cp ..." utility (https://docs.docker.com/engine/reference/commandline/cp/)
What is XCA ?
X Certificate and Key management is an interface for managing asymetric keys like RSA or DSA. It is intended as a small CA for creation and signing certificates. It uses the OpenSSL library for the cryptographic operations.