gistfile1.txt

sbt:foo> pgp-cmd gen-key
Please enter the name associated with the key: foo
Please enter the email associated with the key: [email protected]
Please enter the passphrase for the key: ****
Please re-enter the passphrase for the key: ****
[info] Creating a new PGP key, this could take a long time.
[info] Public key := /home/demiourgos1/.sbt/gpg/pubring.asc
[info] Secret key := /home/demiourgos1/.sbt/gpg/secring.asc
[info] Please do not share your secret key.   Your public key is free to share.

$ docker run -it --mount src="$(pwd)",target=/home,type=bind ubuntu:bionic

$ gpg --import ./secring.asc
gpg: /root/.gnupg/trustdb.gpg: trustdb created
gpg: key 77098E6A92692949: public key "foo <[email protected]>" imported
gpg: key 77098E6A92692949: secret key imported
gpg: Total number processed: 1
gpg:               imported: 1
gpg:       secret keys read: 1
gpg:   secret keys imported:

root@89624be0e229:/home# gpg --list-key
/root/.gnupg/pubring.kbx
------------------------
pub   rsa2048 2019-09-15 [SCEA]
      965F25CC72DF4F2A4358AC9B77098E6A92692949
uid           [ unknown] foo <[email protected]>

root@89624be0e229:/home# gpg --list-secret-key
/root/.gnupg/pubring.kbx
------------------------
sec   rsa2048 2019-09-15 [SCEA]
      965F25CC72DF4F2A4358AC9B77098E6A92692949
uid           [ unknown] foo <[email protected]>