Add Health check endpoint at /api/service/health-check

app/Http/Controllers/HealthCheckController.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class HealthCheckController extends Controller
+{
+    public function get(Request $request)
+    {
+        return response('OK')->withHeaders([
+            'Content-Type' => 'text/plain',
+            'Cache-Control' => 'max-age=0, must-revalidate, no-cache, no-store'
+        ]);
+    }
+}

routes/api.php

@@ -17,6 +17,7 @@ Route::get('.well-known/nodeinfo', 'FederationController@nodeinfoWellKnown')->na
 Route::get('.well-known/host-meta', 'FederationController@hostMeta')->name('well-known.hostMeta');
 Route::redirect('.well-known/change-password', '/settings/password');
 Route::get('api/nodeinfo/2.0.json', 'FederationController@nodeinfo');
+Route::get('api/service/health-check', 'HealthCheckController@get');
 
 Route::group(['prefix' => 'api'], function() use($middleware) {