Create an array of subnets on an existing VNet using Bicep

main.bicep

// var addressSpace = [
//   '10.1.0.0/16'
// ]

var subnets = [
  {
    name: 'api'
    subnetPrefix: '10.1.66.0/24'
  }
  {
    name: 'worker'
    subnetPrefix: '10.1.67.0/24'
  }
]

resource VNET 'Microsoft.Network/virtualNetworks@2021-02-01' existing = {
  name: 'tf-vnetwork-01'
}

@batchSize(1)
resource Subnets 'Microsoft.Network/virtualNetworks/subnets@2020-11-01' = [for (sn, index) in subnets: {
  name: sn.name
  parent: VNET
  properties: {
    addressPrefix: sn.subnetPrefix
  }
}]