How to create simple structured logs for your Laravel 5.x app

structured.diff

Adams-MacBook-Pro:tether adamgoucher$ git diff bootstrap/app.php
diff --git a/bootstrap/app.php b/bootstrap/app.php
index 36a1fa6a9..d9958cd28 100755
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -1,5 +1,8 @@
 <?php

+use Monolog\Formatter\JsonFormatter;
+use Monolog\Handler\RotatingFileHandler;
+
 /*
 |--------------------------------------------------------------------------
 | Create The Application
@@ -41,6 +44,24 @@ $app->singleton(
     'App\Exceptions\Handler'
 );

+/*
+|--------------------------------------------------------------------------
+| Logging Changes
+|--------------------------------------------------------------------------
+|
+| Structured logs ftw?
+|
+*/
+$app->configureMonologUsing(function ($monolog) {
+    $path = storage_path() . '/logs/laravel.log';
+    $days = config('app.log_max_files', 5);
+    $handler = new RotatingFileHandler($path, $days);
+    $handler->setFormatter(new JsonFormatter());
+
+    $monolog->pushHandler($handler);
+});
+
+
 /*
 |--------------------------------------------------------------------------
 | Return The Application
Adams-MacBook-Pro:tether adamgoucher$ tail storage/logs/laravel-2018-08-11.log
{"message":"bar","context":[],"level":100,"level_name":"DEBUG","channel":"development","datetime":{"date":"2018-08-11 00:27:34.839951","timezone_type":3,"timezone":"UTC"},"extra":[]}
Adams-MacBook-Pro:tether adamgoucher$