068158ede9
The Dockerfile (and docker-compose) simplify the server's deployment. The environment variables avoid secrets in the code.
38 lines
887 B
PHP
38 lines
887 B
PHP
<?php
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// Singleton to connect db.
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class database
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{
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// Hold the class instance.
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private static $instance = null;
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private $conn;
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// The db connection is established in the private constructor.
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private function __construct()
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{
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try {
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$this->conn = new PDO(
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'mysql:host=' . getenv('MYSQL_HOST') . ';dbname=' . getenv('MYSQL_DATABASE') . ';port=' . getenv('MYSQL_PORT'),
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getenv('MYSQL_USER'),
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getenv('MYSQL_PASSWORD')
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);
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} catch (PDOException $e) {
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die('Connection failed: ' . $e->getMessage());
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}
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}
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public static function getInstance()
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{
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if (!self::$instance) {
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self::$instance = new database();
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}
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return self::$instance;
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}
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public function getConnection()
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{
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return $this-> conn;
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}
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}
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