mint/app/Http/Controllers/HealthCheckController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class HealthCheckController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        //
        if(file_exists(base_path('.stop'))){
            $status = 503;
        }else{
            $status = 200;
        }
        return response()->json(['createdAt' => now()],
            $status,
            ['Content-Type' => 'application/json;charset=UTF-8',
            'Charset' => 'utf-8'],
            JSON_UNESCAPED_UNICODE);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }
}