create script => no need to database backup

virtual/vhost/public_html/index.php

@@ -1,4 +1,60 @@
 <?php
 
-	echo "my app";
+	try{
 
+		$pdo = new PDO('mysql:host=mariadb;dbname=vhost;charset=utf8', "php", "Ew1RmFFqeZOA1zwkJkocAjmepQA4JmnUW0nqDFh79jHY8aubtPO_12E9wgbNvScX0Uiv1GuUllb8YCJ00PAoh0fvNS");
+
+		$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+		$pdo->setAttribute(PDO::ATTR_TIMEOUT,            5);
+		$pdo->setAttribute(PDO::ERRMODE_EXCEPTION,       true);
+		$pdo->setAttribute(PDO::ATTR_STRINGIFY_FETCHES,  false);
+		$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES,   false);
+
+	}catch(Exception $e){
+		printf("Cannot connect to database\n");
+		die();
+	}
+
+
+	// 1. Create table
+	$create = "CREATE TABLE IF NOT EXISTS nonce (
+		id_nonce   int  NOT NULL AUTO_INCREMENT PRIMARY KEY,
+		created_at int NOT NULL DEFAULT CURRENT_TIMESTAMP
+	);";
+
+	if( $errcode = $pdo->exec($create) > 0 ){
+		printf("* [%d] cannot create table\n\n", $errcode);
+		die();
+	}
+
+	// 2. Insert new line
+
+	$pr = $pdo->prepare("INSERT INTO nonce(id_nonce, created_at) VALUES(DEFAULT, :tnow);");
+
+	if( $pr !== false ){
+		$ok = $pr->execute([":tnow" => time()]);
+		if( !$ok ){
+			printf("* cannot insert data\n\n");
+		}
+	}else{
+		printf("* cannot insert data\n\n");
+	}
+
+	// 3. select all
+	$st = $pdo->query("SELECT * FROM nonce ORDER BY id_nonce;");
+	if( $st !== false ){
+
+		$nonces = $st->fetchAll();
+		printf("<pre>\n");
+		foreach( $nonces as $key=>$value ){
+			printf("[%d] nonce id %s created at %s\n", $key, $value['id_nonce'], date('H:i:s d/m/Y', $value['created_at']));
+		}
+		printf("</pre>\n");
+
+	}else{
+		printf("* cannot fetch data\n\n");
+	}
+
+
+
+	echo "my app";