Migration from Self hosted to Mattermost cloud

At our company we are currently using a self hosted Mattermost instance but now we have decided to move to Mattermost cloud. Is there any way right now to migrate our self hosted database to mattermost cloud as we don’t want to lose our messages and files.

Documentation on this can be found on our support team’s knowledge base: https://support.mattermost.com/hc/en-us/articles/4412503667604