A way to poll for new releases from Mattermost
If there is no public access to the S3 bucket, perhaps Mattermost can create a new IAM user with read permissions for the bucket so CI can poll for new releases.
@crspeller @cjspin request from https://github.com/cloudfoundry-community/mattermost-boshrelease on how to better automate updating of new Mattermost releases.
I think we discussed this before and the risk was in having a breaking change across major version releases that would break automated updaters--is there perhaps a way to something for minor version releases that allows automation?
https://github.com/cloudfoundry-community/mattermost-boshrelease/issues/7