diff --git a/system/pancake/config/database.php b/system/pancake/config/database.php
index 9f5fe11..f04aad9 100755
--- a/system/pancake/config/database.php
+++ b/system/pancake/config/database.php
@@ -41,22 +41,52 @@
 $active_group = 'default';
 $active_record = TRUE;
 
-$db['default']['hostname'] = 'localhost';
-$db['default']['username'] = 'root';
-$db['default']['password'] = '3QU5eA&U^Y&3DQm6';
-$db['default']['database'] = 'pancake';
-$db['default']['dbdriver'] = 'mysqli';
-$db['default']['dbprefix'] = 'pancake_';
-$db['default']['pconnect'] = FALSE;
-$db['default']['db_debug'] = TRUE;
-$db['default']['cache_on'] = FALSE;
-$db['default']['cachedir'] = '';
-$db['default']['char_set'] = 'utf8mb4';
-$db['default']['dbcollat'] = 'utf8mb4_general_ci';
-$db['default']['swap_pre'] = '';
-$db['default']['autoinit'] = TRUE;
-$db['default']['stricton'] = TRUE;
-$db['default']['port']     = 3306;
+if (!function_exists('pancake_env')) {
+	function pancake_env($key, $default = null) {
+		$value = getenv($key);
+		return $value === false ? $default : $value;
+	}
+}
+
+if (!function_exists('pancake_env_bool')) {
+	function pancake_env_bool($key, $default = false) {
+		$value = getenv($key);
+		if ($value === false) {
+			return $default;
+		}
+
+		$filtered = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
+		return $filtered === null ? $default : $filtered;
+	}
+}
+
+if (!function_exists('pancake_env_int')) {
+	function pancake_env_int($key, $default = null) {
+		$value = getenv($key);
+		if ($value === false || !is_numeric($value)) {
+			return $default;
+		}
+
+		return (int) $value;
+	}
+}
+
+$db['default']['hostname'] = pancake_env('PANCAKE_DB_HOST', 'localhost');
+$db['default']['username'] = pancake_env('PANCAKE_DB_USERNAME', 'root');
+$db['default']['password'] = pancake_env('PANCAKE_DB_PASSWORD', '3QU5eA&U^Y&3DQm6');
+$db['default']['database'] = pancake_env('PANCAKE_DB_NAME', 'pancake');
+$db['default']['dbdriver'] = pancake_env('PANCAKE_DB_DRIVER', 'mysqli');
+$db['default']['dbprefix'] = pancake_env('PANCAKE_DB_PREFIX', 'pancake_');
+$db['default']['pconnect'] = pancake_env_bool('PANCAKE_DB_PCONNECT', FALSE);
+$db['default']['db_debug'] = pancake_env_bool('PANCAKE_DB_DEBUG', TRUE);
+$db['default']['cache_on'] = pancake_env_bool('PANCAKE_DB_CACHE_ON', FALSE);
+$db['default']['cachedir'] = pancake_env('PANCAKE_DB_CACHEDIR', '');
+$db['default']['char_set'] = pancake_env('PANCAKE_DB_CHARSET', 'utf8mb4');
+$db['default']['dbcollat'] = pancake_env('PANCAKE_DB_COLLATION', 'utf8mb4_general_ci');
+$db['default']['swap_pre'] = pancake_env('PANCAKE_DB_SWAP_PRE', '');
+$db['default']['autoinit'] = pancake_env_bool('PANCAKE_DB_AUTOINIT', TRUE);
+$db['default']['stricton'] = pancake_env_bool('PANCAKE_DB_STRICTON', TRUE);
+$db['default']['port']     = pancake_env_int('PANCAKE_DB_PORT', 3306);
 
 /* End of file database.php */
 /* Location: ./application/config/database.php */
\ No newline at end of file