{"action":"opened","issue":{"url":"https://api.github.com/repos/Shippable/support/issues/1145","labels_url":"https://api.github.com/repos/Shippable/support/issues/1145/labels{/name}","comments_url":"https://api.github.com/repos/Shippable/support/issues/1145/comments","events_url":"https://api.github.com/repos/Shippable/support/issues/1145/events","html_url":"https://github.com/Shippable/support/issues/1145","id":60643314,"number":1145,"title":"Use Dockerfile to build custom build image?","user":{"login":"velo","id":136590,"avatar_url":"https://avatars.githubusercontent.com/u/136590?v=3","gravatar_id":"","url":"https://api.github.com/users/velo","html_url":"https://github.com/velo","followers_url":"https://api.github.com/users/velo/followers","following_url":"https://api.github.com/users/velo/following{/other_user}","gists_url":"https://api.github.com/users/velo/gists{/gist_id}","starred_url":"https://api.github.com/users/velo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/velo/subscriptions","organizations_url":"https://api.github.com/users/velo/orgs","repos_url":"https://api.github.com/users/velo/repos","events_url":"https://api.github.com/users/velo/events{/privacy}","received_events_url":"https://api.github.com/users/velo/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-03-11T11:15:42Z","updated_at":"2015-03-11T11:15:42Z","closed_at":null,"body":"Is it possible to do that?\r\n\r\nI wanna change my shippable.yml from something like:\r\n````\r\nbuild_image: shippable/minv2\r\n````\r\n\r\nTo something like:\r\n````\r\nbuild_image: Dockerfile\r\n````\r\n\r\nI wanna this Dockerfile just to build my application, won't publish this build container anywhere."}}