a bit o' spruce, from http://play.spruce.cf

spruce.json

{"flavor":"1.17.0","prune":["meta"],"env":["HOME=/home/user"],"cherry_pick":[],"yaml":[{"filename":"file1.yml","contents":"---\nconfig:\n  sb:\n    name: mongodb\n  site:\n    url: cf.dev.eu-de-central.msh.host\n  \t\n"},{"filename":"file2.yml","contents":"---\nconfig:\n  sb:\n    uri: ((concat \"https://\" config.sb.name \".\" config.site.url))\ncatalog:\n  services:\n    name: ((grab config.sb.name))\n  dashboard: \n        url: ((concat config.sb.uri \"/v2/authentication\"\n        auth_endpoint: ((concat \"https://uaa.\"  config.site.url \"/oauth\"))\n  dashboard_client:\n        id: ((concat config.sb.name config.site.url))\n        redirect_uri: ((concat config.sb.uri \"/v2/authentication\"))\n\n"}],"skip_eval":false,"fallback_append":false,"go_patch":false,"debug":false,"trace":false}