{
  ...
  "variables": {
    "databaseName": "[concat('mydb', uniqueString(resourceGroup().id, 'E931CAC0-7259-4FA1-80B4-BD47CBA4E040'))]",
    "hostingPlanName": "[concat('myhostingPlan', uniqueString(resourceGroup().id))]",
    "sqlserverAdminLogin": "[concat('l', uniqueString(resourceGroup().id, '9A08DDB9-95A1-495F-9263-D89738ED4205'))]",
    "sqlserverAdminPassword": "[concat('P', uniqueString(resourceGroup().id, '224F5A8B-51DB-46A3-A7C8-59B0DD584A41'), 'x', '!')]",
    "sqlserverName": "[concat('mysqlserver', uniqueString(resourceGroup().id))]",
    "websiteName": "[concat('mywebsite', uniqueString(resourceGroup().id, '274ACF17-FF18-4DB2-B3A8-AABCA4CB7D54'))]"
  }
  ...
}