diff --git a/src/config/db.php b/src/config/db.php
index e69de29..e852f62 100644
--- a/src/config/db.php
+++ b/src/config/db.php
@@ -0,0 +1,13 @@
+<?php
+$hostname = "db";
+$username = "user";
+$password = "user";
+$database = "codebeater";
+
+$db = mysqli_connect($hostname, $username, $password, $database);
+
+if(!$db){
+    die("Koneksi database gagal. Error: " . mysqli_connect_error());
+}
+
+
diff --git a/src/index.php b/src/index.php
index f868f81..5fe7330 100644
--- a/src/index.php
+++ b/src/index.php
@@ -1,3 +1,41 @@
+<?php 
+session_start();
+include "config/db.php";
+
+if(isset($_POST['login'])){
+    $username = $_POST['username'];
+    $password = $_POST['password'];
+
+    if(empty($username)||empty($password)){
+        echo "semua data    harus terisi";
+    }else{
+        $sql = "SELECT * FROM users WHERE username =?";
+        $stmt = $db -> prepare($sql);
+        $stmt->bind_param('s',$username);
+        $stmt->execute();
+        $result = $stmt ->get_result();
+
+        if($result->num_rows ===1){
+            $user = $result ->fetch_assoc();
+            if(password_verify($password,$user['password'])){
+                $_SESSION['loggedin']='true';   
+                $_SESSION['username']=$user['username'];  
+                $_SESSION['user_id']=$user['user_id']; 
+                header("location:leaderboard.php");
+                exit();
+            }else{
+                echo "password salah";
+            }
+        }else{
+            echo "username salah";
+        }
+        $stmt->close();
+    }
+}
+$db->close();
+
+?>
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
