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

spruce.json

{"flavor":"1.11.0","prune":["meta"],"env":["HOME=/home/user"],"cherry_pick":[],"yaml":[{"filename":"file1.yml","contents":"domains:\n- example.com\n- another-company.com\n- play.spruce.cf\nports:\n- 80\n- 443\n- 4443\n- 2222\n\n\nhost_port_combos: (( cartesian-product \"\\\"\" domains \":\" ports \"\\\"\" ))\n\n\n"},{"filename":"file2.yml","contents":"---\ndomains: (( prune ))\nports: (( prune ))\n\n\n\n"}],"skip_eval":false,"fallback_append":false,"go_patch":false,"debug":false,"trace":false}