[ 'key' => env('POSTMARK_API_KEY'), ], 'resend' => [ 'key' => env('RESEND_API_KEY'), ], 'ses' => [ 'key' => env('AWS_ACCESS_KEY_ID'), 'secret' => env('AWS_SECRET_ACCESS_KEY'), 'region' => env('AWS_DEFAULT_REGION', 'us-east-1'), ], 'slack' => [ 'notifications' => [ 'bot_user_oauth_token' => env('SLACK_BOT_USER_OAUTH_TOKEN'), 'channel' => env('SLACK_BOT_USER_DEFAULT_CHANNEL'), ], ], 'knowledge_api' => [ 'base_url' => env('KNOWLEDGE_API_BASE_URL', 'http://localhost:5011'), ], 'learning_analytics' => [ 'url' => env('LEARNING_ANALYTICS_URL', 'http://localhost:5016'), 'timeout' => env('LEARNING_ANALYTICS_TIMEOUT', 30), ], 'mathrecsys' => [ 'base_url' => env('MATHRECSYS_BASE_URL', 'http://localhost:5010'), 'api_key' => env('MATHRECSYS_API_KEY', ''), 'timeout' => env('MATHRECSYS_TIMEOUT', 30), ], ];