taskcluster: building docker image before we deploy to heroku on prod
taskcluster: building docker image before we deploy to heroku on prod

mozilla-releng/services,La0/mozilla-relengapi,andrei987/services,andrei987/services,lundjordan/services,andrei987/services,srfraser/services,srfraser/services,lundjordan/services,garbas/mozilla-releng-services,La0/mozilla-relengapi,andrei987/services,La0/mozilla-relengapi,srfraser/services,mozilla-releng/services,garbas/mozilla-releng-services,lundjordan/services,garbas/mozilla-releng-services,lundjordan/services,garbas/mozilla-releng-services,mozilla-releng/services,mozilla-releng/services,srfraser/services,La0/mozilla-relengapi