You can find the source of this version on GitHub at concourse/concourse. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "concourse" version: "3.12.0" url: "https://bosh.io/d/github.com/concourse/concourse?v=3.12.0" sha1: "12746f25cd484bdd9a8ed7151cfed20a142de2fa"
Or upload it to your director with the
bosh upload-release --sha1 12746f25cd484bdd9a8ed7151cfed20a142de2fa \ https://bosh.io/d/github.com/concourse/concourse?v=3.12.0