now.json.sh

#!/bin/bash
set -e

strings=(
  arn1
  bom1
  bru1
  cdg1
  dub1
  gru1
  hnd1
  iad1
  icn1
  lhr1
  pdx1
  sfo1
  sin1
  syd1
)

for i in "${strings[@]}"; do
    JSON=$(
        cat <<-EOF
{
    "version": 2,
    "name": "$i-dnscheck.now.sh",
    "alias": "$i-dnscheck.now.sh",
    "regions": ["$i"],
    "env": {
      "ORIGINS": "@dnscheck-origins",
      "ENV": "production"
    },
    "routes": [
        { "src": "/.*", "dest": "/"}
    ],
    "builds": [
        { "src":  "index.py", "use": "@now/python" }
    ]
}
EOF
    )

    echo "$JSON" >now.region."$i".json
done