According to this article I can install bitbucket via unattended mode
https://confluence.atlassian.com/bitbucketserver/running-the-bitbucket-server-installer-776640183.html
Is there the way to get full tree of possible parameters?
For example I need to answer on next questions:
Would you like to install or upgrade an instance?
Install a new instance [1, Enter], Upgrade an existing instance [2]
1
Install Bitbucket 6.9.1
What type of instance are you looking to install?
Install a Server instance [1, Enter], Install a Data Center instance [2], Install a Smart Mirroring instance [3]
2