SpringBoot Consider automating fly set-pipeline using the concourse-pipeline-resource

https://github.com/concourse/concourse-pipeline-resource

Comment From: mbhave

Reopening this as it might be good to not have to fly set-pipeline everytime we change the pipeline.yml

Comment From: mbhave

Concourse added support for a set-pipeline step as an experimental feature. See discussion here.

Comment From: bclozel

Our build has moved to GitHub actions in the meantime, see #39851