Pony.fm/config/elasticsearch.php

<?php

return [

	/**
	 * You can specify one of several different connections when building an
	 * Elasticsearch client.
	 *
	 * Here you may specify which of the connections below you wish to use
	 * as your default connection when building an client. Of course you may
	 * use create several clients at once, each with different configurations.
	 */

	'defaultConnection' => 'default',

	/**
	 * These are the connection parameters used when building a client.
	 */

	'connections' => [

		'default' => [

			/**
			 * Hosts
			 *
			 * This is an array of hosts that the client will connect to. It can be a
			 * single host name, or an array if you are running a cluster of Elasticsearch
			 * instances.
			 *
			 * This is the only configuration value that is mandatory.
             *
             * If set in an environment variable, this should be a comma-separated
             * list of hostnames. Port numbers are optional; 9200 is the default.
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_host_configuration
			 */

			'hosts' => explode(',', env('ELASTICSEARCH_HOSTS', 'localhost:9200')),

			/**
			 * SSL
			 *
			 * If your Elasticsearch instance uses an out-dated or self-signed SSL
			 * certificate, you will need to pass in the certificate bundle.  This can
			 * either be the path to the certificate file (for self-signed certs), or a
			 * package like https://github.com/Kdyby/CurlCaBundle.  See the documentation
			 * below for all the details.
			 *
			 * If you are using SSL instances, and the certificates are up-to-date and
			 * signed by a public certificate authority, then you can leave this null and
			 * just use "https" in the host path(s) above and you should be fine.
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_security.html#_ssl_encryption_2
			 */

			'sslVerification' => null,

			/**
			 * Logging
			 *
			 * Logging is handled by passing in an instance of Monolog\Logger (which
			 * coincidentally is what Laravel's default logger is).
			 *
			 * If logging is enabled, you either need to set the path and log level
			 * (some defaults are given for you below), or you can use a custom logger by
			 * setting 'logObject' to an instance of Psr\Log\LoggerInterface.  In fact,
			 * if you just want to use the default Laravel logger, then set 'logObject'
			 * to \Log::getMonolog().
			 *
			 * Note: 'logObject' takes precedent over 'logPath'/'logLevel', so set
			 * 'logObject' null if you just want file-based logging to a custom path.
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#enabling_logger
			 */

			'logging' => false,

			// If you have an existing instance of Monolog you can use it here.
			//'logObject' => \Log::getMonolog(),

			'logPath' => storage_path('logs/elasticsearch.log'),

			'logLevel' => Monolog\Logger::INFO,

			/**
			 * Retries
			 *
			 * By default, the client will retry n times, where n = number of nodes in
			 * your cluster. If you would like to disable retries, or change the number,
			 * you can do so here.
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_set_retries
			 */

			'retries' => null,

			/**
			 * The remainder of the configuration options can almost always be left
			 * as-is unless you have specific reasons to change them.  Refer to the
			 * appropriate sections in the Elasticsearch documentation for what each option
			 * does and what values it expects.
			 */

			/**
			 * Sniff On Start
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html
			 */

			'sniffOnStart' => false,

			/**
			 * HTTP Handler
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_configure_the_http_handler
			 * @see http://ringphp.readthedocs.org/en/latest/client_handlers.html
			 */

			'httpHandler' => null,

			/**
			 * Connection Pool
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_setting_the_connection_pool
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_connection_pool.html
			 */

			'connectionPool' => null,

			/**
			 * Connection Selector
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_setting_the_connection_selector
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_selectors.html
			 */

			'connectionSelector' => null,

			/**
			 * Serializer
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_setting_the_serializer
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_serializers.html
			 */

			'serializer' => null,

			/**
			 * Connection Factory
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_setting_a_custom_connectionfactory
			 */

			'connectionFactory' => null,

			/**
			 * Endpoint
			 *
			 * @see https://www.elastic.co/guide/en/elasticsearch/client/php-api/2.0/_configuration.html#_set_the_endpoint_closure
			 */

			'endpoint' => null,

		]
	]

];