scout.php

<?php
/*
 * Config scout.php
 *
 * This file exists only as a template for the Scout settings.
 * It does nothing on its own.
 *
 * Don't edit this file, instead copy it to 'craft/config' as 'scout.php'
 * and make your changes there to override default settings.
 *
 * Once copied to 'craft/config', this file will be multi-environment aware as
 * well, so you can have different settings groups for each environment, just as
 * you do for 'general.php'
 */

return [
    /*
     * Scout listens to numerous Element events to keep them updated in
     * their respective indices. You can disable these and update
     * your indices manually using the commands.
     */
    'sync' => true,

    /*
     * By default Scout handles all indexing in a queued job, you can disable
     * this so the indices are updated as soon as the elements are updated
     */
    'queue' => true,

    /*
     * If queue is enabled, you can override the default time-to-reserve a job.
     * https://www.yiiframework.com/extension/yiisoft/yii2-queue/doc/api/2.0/yii-queue-queue#$ttr-detail
     */
    'ttr' => 300,

    /*
     * If queue is enabled, you can override the default priority for a job.
     * https://www.yiiframework.com/extension/yiisoft/yii2-queue/doc/api/2.0/yii-queue-queue#priority()-detail
     */
    'priority' => 1024,

    /*
     * The connection timeout (in seconds), increase this only if necessary
     */
    'connect_timeout' => 1,

    /*
     * The batch size Scout uses when importing a large amount of elements
     */
    'batch_size' => 1000,

    /*
     * The Algolia Application ID, this id can be found in your Algolia Account
     * https://www.algolia.com/api-keys. This id is used to update records.
     */
    'application_id' => '$ALGOLIA_APPLICATION_ID',

    /*
     * The Algolia Admin API key, this key can be found in your Algolia Account
     * https://www.algolia.com/api-keys. This key is used to update records.
     */
    'admin_api_key'  => '$ALGOLIA_ADMIN_API_KEY',

    /*
     * The Algolia search API key, this key can be found in your Algolia Account
     * https://www.algolia.com/api-keys. This search key is not used in Scout
     * but can be used through the Scout variable in your template files.
     */
    'search_api_key' => '$ALGOLIA_SEARCH_API_KEY', //optional

    /*
     * A collection of indices that Scout should sync to, these can be configured
     * by using the \rias\scout\ScoutIndex::create('IndexName') command. Each
     * index should define an ElementType, criteria and a transformer.
     */
    'indices'       => [],

    /**
     * Elements can create multiple records by using `splitElementsOn()`,
     * which split the element on specified array values. If the array has just one item,
     * no splitting occurs. The legacy and default behavior is to simply use the
     * original, unchanged record, which means the value is still wrapped in an array.
     * Make this false to use the single item itself.
     */
    'useOriginalRecordIfSplitValueIsArrayOfOne' => true,
];