Add Passport config

config/passport.php

@@ -0,0 +1,20 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Encryption Keys
+    |--------------------------------------------------------------------------
+    |
+    | Passport uses encryption keys when generating secure access tokens.
+    | By default these keys are stored as local files, but can also be
+    | set using the following environment variables.
+    |
+    */
+
+    'private_key' => env('PASSPORT_PRIVATE_KEY'),
+
+    'public_key' => env('PASSPORT_PUBLIC_KEY'),
+
+];

src/PassportServiceProvider.php

@@ -83,6 +83,8 @@ public function register()
         $this->registerResourceServer();
 
         $this->registerGuard();
+
+        $this->offerPublishing();
     }
 
     /**
@@ -281,4 +283,18 @@ protected function deleteCookieOnLogout()
             }
         });
     }
+
+    /**
+     * Setup the resource publishing groups for Passport.
+     *
+     * @return void
+     */
+    protected function offerPublishing()
+    {
+        if ($this->app->runningInConsole()) {
+            $this->publishes([
+                __DIR__.'/../config/passport.php' => config_path('passport.php'),
+            ], 'passport-config');
+        }
+    }
 }