Add LocalConfiguration.php and AdditionalConfiguration.ddev.php

private/typo3conf/AdditionalConfiguration.ddev.php

+<?php
+/** #ddev-generated: Automatically generated TYPO3 AdditionalConfiguration.php file.
+ * ddev manages this file and may delete or overwrite the file unless this comment is removed.
+ */
+$GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] = '.*';
+
+$GLOBALS['TYPO3_CONF_VARS']['DB']['Connections']['Default'] = array_merge(
+    $GLOBALS['TYPO3_CONF_VARS']['DB']['Connections']['Default'],
+    [
+        'dbname' => 'db',
+        'host' => 'db',
+        'password' => 'db',
+        'port' => '3306',
+        'user' => 'db',
+    ]
+);
+
+// This mail configuration sends all emails to mailhog
+$GLOBALS['TYPO3_CONF_VARS']['MAIL'] = [
+    'transport' => 'smtp',
+    'transport_smtp_server' => 'localhost:1025',
+];
+
+$GLOBALS['TYPO3_CONF_VARS']['SYS']['devIPmask'] = '*';
+$GLOBALS['TYPO3_CONF_VARS']['SYS']['displayErrors'] = 1;
+
+$GLOBALS['TYPO3_CONF_VARS']['BE']['installToolPassword'] = '$P$CZqeoYBTHC0kXKny4tpTvBSzzV5wVY0'; /* joh316 */

private/typo3conf/LocalConfiguration.php

+<?php
+return [
+    'BE' => [
+        'debug' => true,
+        'explicitADmode' => 'explicitAllow',
+        'installToolPassword' => '$argon2i$v=19$m=16384,t=16,p=2$ZDh3RzA1Tk1YM3BEZVpnVw$tTja+Hzc7c4zunyJtIaTYmQR8HTX3+URtTo/+2bJPRE',
+        'loginSecurityLevel' => 'normal',
+        'passwordHashing' => [
+            'className' => 'TYPO3\\CMS\\Core\\Crypto\\PasswordHashing\\Argon2iPasswordHash',
+            'options' => [],
+        ],
+    ],
+    'DB' => [
+        'Connections' => [
+            'Default' => [
+                'charset' => 'utf8',
+                'driver' => 'mysqli',
+            ],
+        ],
+    ],
+    'EXT' => [
+        'extConf' => [
+            'backend' => 'a:6:{s:9:"loginLogo";s:0:"";s:19:"loginHighlightColor";s:0:"";s:20:"loginBackgroundImage";s:0:"";s:13:"loginFootnote";s:0:"";s:11:"backendLogo";s:0:"";s:14:"backendFavicon";s:0:"";}',
+            'extensionmanager' => 'a:2:{s:21:"automaticInstallation";s:1:"1";s:11:"offlineMode";s:1:"0";}',
+            'gridelements' => 'a:3:{s:20:"additionalStylesheet";s:0:"";s:19:"nestingInListModule";s:1:"0";s:26:"overlayShortcutTranslation";s:1:"0";}',
+            'scheduler' => 'a:2:{s:11:"maxLifetime";s:4:"1440";s:15:"showSampleTasks";s:1:"1";}',
+        ],
+    ],
+    'EXTENSIONS' => [
+        'backend' => [
+            'backendFavicon' => '',
+            'backendLogo' => '',
+            'loginBackgroundImage' => '',
+            'loginFootnote' => '',
+            'loginHighlightColor' => '',
+            'loginLogo' => '',
+        ],
+        'extensionmanager' => [
+            'automaticInstallation' => '1',
+            'offlineMode' => '0',
+        ],
+        'gridelements' => [
+            'additionalStylesheet' => '',
+            'nestingInListModule' => '0',
+            'overlayShortcutTranslation' => '0',
+        ],
+        'scheduler' => [
+            'maxLifetime' => '1440',
+            'showSampleTasks' => '1',
+        ],
+    ],
+    'FE' => [
+        'debug' => true,
+        'loginSecurityLevel' => 'normal',
+        'passwordHashing' => [
+            'className' => 'TYPO3\\CMS\\Core\\Crypto\\PasswordHashing\\Argon2iPasswordHash',
+            'options' => [],
+        ],
+    ],
+    'GFX' => [
+        'processor' => 'ImageMagick',
+        'processor_allowTemporaryMasksAsPng' => false,
+        'processor_colorspace' => 'sRGB',
+        'processor_effects' => true,
+        'processor_enabled' => true,
+        'processor_path' => '/usr/bin/',
+        'processor_path_lzw' => '/usr/bin/',
+    ],
+    'MAIL' => [
+        'transport' => 'sendmail',
+        'transport_sendmail_command' => '/usr/local/bin/mailhog sendmail test@example.org --smtp-addr 127.0.0.1:1025',
+        'transport_smtp_encrypt' => '',
+        'transport_smtp_password' => '',
+        'transport_smtp_server' => '',
+        'transport_smtp_username' => '',
+    ],
+    'SYS' => [
+        'devIPmask' => '*',
+        'displayErrors' => 1,
+        'encryptionKey' => '95d028efbe5697d743d6cc41fb93408133d08d0ee77968cdb37bd5c9e209aca75503525072bf4fa8cdafe0a6fdc97d52',
+        'exceptionalErrors' => 12290,
+        'features' => [
+            'unifiedPageTranslationHandling' => true,
+        ],
+        'sitename' => 'New TYPO3 site',
+        'systemLogLevel' => 0,
+        'systemMaintainers' => [
+            1,
+        ],
+    ],
+];