Disable the configuration to disable auto-discovery

Author: jeromegamez

CHANGELOG.md

@@ -3,6 +3,9 @@
 ## Unreleased
 
 * Dropped support for Lumen
+* The ability to disable credentials auto-discovery has been removed. If you don't want a service account to be
+  auto-discovered, provide it by setting the `GOOGLE_APPLICATION_CREDENTIALS` environment variable or by adapting
+  the package configuration. 
 
 ## 4.2.0 - 2022-07-28
 

README.md

@@ -31,6 +31,9 @@ For server-to-server communication this is done with a Service Account.
 The package uses auto discovery for the default project to find the credentials needed for authenticating requests to
 the Firebase APIs by inspecting certain environment variables and looking into Google's well known path(s).
 
+If you don't want a service account to be auto-discovered, provide it by setting the `GOOGLE_APPLICATION_CREDENTIALS`
+environment variable or by adapting the package configuration.
+
 If you don't already have generated a Service Account, you can do so by following the instructions from the
 official documentation pages at https://firebase.google.com/docs/admin/setup#initialize_the_sdk.
 
@@ -39,8 +42,6 @@ environment variables starting with `FIREBASE_` in your `.env` file. Usually, th
 required for the package to work:
 
 ```
-# relative or full path to the Service Account JSON file
-FIREBASE_CREDENTIALS=
 # You can find the database URL for your project at
 # https://console.firebase.google.com/project/_/database
 FIREBASE_DATABASE_URL=https://<your-project>.firebaseio.com

config/firebase.php

@@ -48,13 +48,6 @@
              */
             'credentials' => [
                 'file' => env('FIREBASE_CREDENTIALS', env('GOOGLE_APPLICATION_CREDENTIALS')),
-
-                /*
-                 * If you want to prevent the auto discovery of credentials, set the
-                 * following parameter to false. If you disable it, you must
-                 * provide a credentials file.
-                 */
-                'auto_discovery' => true,
             ],
 
             /*
@@ -153,7 +146,7 @@
              * Log channels are defined in config/logging.php
              *
              * Successful HTTP messages are logged with the log level 'info'.
-             * Failed HTTP messages are logged with the the log level 'notice'.
+             * Failed HTTP messages are logged with the log level 'notice'.
              *
              * Note: Using the same channel for simple and debug logs will result in
              * two entries per request and response.