example

main.js

var items = {
  'ruby': {
    name: 'Ruby',
    url: '/assets/images...'
  },
  'aws': {
    name: 'AWS',
    url: '/assets/images...'
  }
}

var combos = [['aws', 'ruby'],[],[],[]]

var infraExample = combos[0][0]
var appExample = combos[0][1]