diff --git a/.ddev/commands/web/grumphp-command.sh b/.ddev/commands/web/grumphp-command.sh
new file mode 100755
index 0000000..1e1f4df
--- /dev/null
+++ b/.ddev/commands/web/grumphp-command.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+## Description: Run a GrumPHP command.
+## Usage: grumphp
+## Example: "ddev grumphp"
+
+php /var/www/html/vendor/bin/grumphp "$@"
diff --git a/.ddev/config.yaml b/.ddev/config.yaml
new file mode 100644
index 0000000..024c8a2
--- /dev/null
+++ b/.ddev/config.yaml
@@ -0,0 +1,24 @@
+name: drupal-project
+type: drupal
+docroot: web
+php_version: "8.2"
+webserver_type: nginx-fpm
+xdebug_enabled: true
+additional_hostnames: []
+additional_fqdns: []
+database:
+  type: mariadb
+  version: "10.11"
+use_dns_when_possible: true
+composer_version: "2"
+disable_settings_management: true
+web_environment:
+  - DB_NAME=db
+  - DB_USER=db
+  - DB_PASS=db
+  - DB_HOST=db
+  - DRUSH_OPTIONS_URI=https://drupal-project.ddev.site
+  - ENVIRONMENT_NAME=ddev
+  - EXEC_GRUMPHP_COMMAND=ddev php
+  - HASH_SALT=notsosecurehash
+corepack_enable: false
diff --git a/.lando.yml b/.lando.yml
index f114712..7f6728b 100644
--- a/.lando.yml
+++ b/.lando.yml
@@ -70,9 +70,10 @@ services:
       environment:
         # Database credentials are defined in the .lando/.env file
         # to be available in both the adminer and appserver containers.
-        HASH_SALT: notsosecurehash
-        ENVIRONMENT_NAME: lando
         DRUSH_OPTIONS_URI: https://drupal-project.lndo.site
+        ENVIRONMENT_NAME: lando
+        EXEC_GRUMPHP_COMMAND: "lando php"
+        HASH_SALT: notsosecurehash
         VARNISH_ADMIN_HOST: varnish
         # Support debugging with XDEBUG 3.
         XDEBUG_MODE:
diff --git a/grumphp.yml b/grumphp.yml
index e906ab1..5433c9a 100644
--- a/grumphp.yml
+++ b/grumphp.yml
@@ -40,4 +40,4 @@ grumphp:
     - Wunderio\GrumPHP\Task\YamlLint\YamlLintExtensionLoader
     - Wunderio\GrumPHP\Task\JsonLint\JsonLintExtensionLoader
   git_hook_variables:
-    EXEC_GRUMPHP_COMMAND: lando php
+    EXEC_GRUMPHP_COMMAND: ${EXEC_GRUMPHP_COMMAND}
diff --git a/web/sites/default/settings.php b/web/sites/default/settings.php
index 7909e1f..955d6eb 100644
--- a/web/sites/default/settings.php
+++ b/web/sites/default/settings.php
@@ -55,6 +55,7 @@
     $settings['simple_environment_indicator'] = 'DarkBlue Stage';
     break;
 
+  case 'ddev':
   case 'local':
   case 'lando':
     $settings['simple_environment_indicator'] = 'DarkGreen Local';
@@ -72,6 +73,16 @@
     $settings['cache']['bins']['dynamic_page_cache'] = 'cache.backend.null';
     $settings['cache']['bins']['page'] = 'cache.backend.null';
     $settings['extension_discovery_scan_tests'] = FALSE;
+
+    // Override drupal/symfony_mailer default config to use Mailpit.
+    if ($env === 'ddev') {
+      $config['symfony_mailer.settings']['default_transport'] = 'sendmail';
+      $config['symfony_mailer.mailer_transport.sendmail']['plugin'] = 'smtp';
+      $config['symfony_mailer.mailer_transport.sendmail']['configuration']['user'] = '';
+      $config['symfony_mailer.mailer_transport.sendmail']['configuration']['pass'] = '';
+      $config['symfony_mailer.mailer_transport.sendmail']['configuration']['host'] = 'localhost';
+      $config['symfony_mailer.mailer_transport.sendmail']['configuration']['port'] = '1025';
+    }
     break;
 
   default: