composer.json

{
  "name": "drupal/search_365",
  "type": "drupal-module",
  "license": "GPL-2.0-or-later",
  "homepage": "http://drupal.org/project/search_365",
  "support": {
    "issues": "https://www.drupal.org/project/issues/search_365"
  },
  "minimum-stability": "dev",
  "prefer-stable": true,
  "require": {
    "drupal/ctools": "~1.14",
    "drupal/registry_autoload": "~1.3",
    "drupal/service_container": "~1.0",
    "guzzlehttp/guzzle": "~6.0",
    "symfony/serializer": "^3.4"
  },
  "require-dev": {
    "drush/drush": "~8.1"
  },
  "repositories": [
    {
      "type": "composer",
      "url": "https://packages.drupal.org/7"
    }
  ],
  "config": {
    "bin-dir": "bin/",
    "preferred-install": {
      "*": "dist"
    },
    "sort-packages": true
  },
  "extra": {
    "installer-paths": {
      "app/sites/all/modules/contrib/{$name}": [
        "type:drupal-module"
      ]
    }
  }
}

settings.php

<?php

require_once DRUPAL_ROOT . '/../vendor/autoload.php';

$databases['default']['default'] = [
  'driver' => 'mysql',
  'database' => 'local',
  'username' => 'drupal',
  'password' => 'drupal',
  'host' => '127.0.0.1',
  'charset' => 'utf8mb4',
  'collation' => 'utf8mb4_general_ci',
];