datatable column defs align code example

Example 1: server side datatable text center

'columnDefs': [
  {
      "targets": 0, // your case first column
      "className": "text-center",
      "width": "4%"
 },
 {
      "targets": 2,
      "className": "text-right",
 }],

Example 2: datatables columns align

dt-right - Right align text in the header and body.
dt-head-right - Right align text in the header only
dt-body-right - Right align text in the body only.

$('#myTable').DataTable( {
  columnDefs: [
    {
        targets: -1,
        className: 'dt-body-right'
    }
  ]
} );