[yoz-y]

Much like accessibility, even if you are capable of doing everything by hand, it is usually nicer to have most of the gruntwork handled for you.

[StreamBright]

Well, not necessarily by hand. I never gave up deploying our Java application with Ansible. We could have used Docker but the team decided to use fat jars and Ansible instead. Nowadays with Java 11 you can make those fat jars even slimmer. There was no value proposition for us to change.

[yoz-y]

I did not work much with deployments but one thing I liked with Docker over Ansible is that testing the configurations locally is really easy and independent on the host platform.