diff --git a/js/post.js b/js/post.js
new file mode 100644
index 0000000..dfea225
--- /dev/null
+++ b/js/post.js
@@ -0,0 +1,36 @@
+document.getElementById('btn').addEventListener('click', async () => {
+
+    const fuelType = document.getElementById('fuel').value;
+    const liters = document.getElementById('price').value;
+
+    // Spakuj dane w formacie JSON
+    const data = {
+        nazwa: fuelType,
+        cena: parseFloat(liters)  // konwertuj na liczbę, jeśli wartość jest liczbową
+    };
+
+    console.log("ok");
+
+    try {
+        // Wykonaj żądanie POST
+        const response = await fetch('php/post.php', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify(data)
+        });
+
+        // Przetwarzanie odpowiedzi
+        if (response.ok) {
+            const result = await response.json();
+            console.log('Odpowiedź serwera:', result);
+            alert(`Koszt paliwa: ${result.cost}`);
+        } else {
+            console.error('Błąd:', response.statusText);
+        }
+    } catch (error) {
+        console.error('Błąd:', error);
+    }
+});
+
diff --git a/php/get.php b/php/get.php
new file mode 100644
index 0000000..e83f709
--- /dev/null
+++ b/php/get.php
@@ -0,0 +1,15 @@
+<?php
+
+$polaczenie = mysqli_connect("172.18.0.3", "root", "secret", "db");
+
+$kwerenda = mysqli_query($polaczenie, "SELECT * FROM paliwa ORDER BY id DESC LIMIT 3;");
+
+$json = array();
+
+while($row = mysqli_fetch_assoc($kwerenda)) {
+    $json [] = $row;
+};
+
+echo json_encode($json);
+
+?>
diff --git a/php/post.php b/php/post.php
new file mode 100644
index 0000000..b8da1fb
--- /dev/null
+++ b/php/post.php
@@ -0,0 +1,20 @@
+<?php
+
+$dbhost = "172.18.0.3";
+$dbuser = "root";
+$dbpass = "secret";
+$dbname = "db";
+
+$con = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);
+
+$rawData = file_get_contents('php://input');
+
+$data = json_decode($rawData, true);
+
+$kw = "INSERT INTO paliwa (nazwa, cena) VALUES ('{$data['nazwa']}', {$data['cena']} );";
+
+echo json_encode($kw);
+
+$ans = mysqli_query($con, $kw);
+
+?>
diff --git a/scr/__post b/scr/__post
new file mode 100644
index 0000000..ae82c89
--- /dev/null
+++ b/scr/__post
@@ -0,0 +1,4 @@
+curl -X POST http://localhost:8080/p14.11/php/post.php \
+     -H "Content-Type: application/json" \
+     -d '{"nazwa": "Diesel", "cena": 5.25}'
+