How to create a login form in Symfony?

@jerad 

To create a login form in Symfony, you can follow these steps:

1. Install the security bundle using the following command in your terminal:composer require symfony/security-bundle
2. Configure the security bundle in the security.yaml file. In this file, you can specify the security settings, such as the firewall configuration, authentication providers, and access control rules.For example, you can define a firewall for the login form with the following configuration:security: firewalls: login: pattern: ^/login anonymous: ~ provider: app_user_provider form_login: login_path: login check_path: login default_target_path: homepage This configuration defines a firewall with the pattern /login, which allows anonymous access. The provider app_user_provider is used to authenticate users, and the form login is configured with the paths for the login form and the target path after successful authentication.
3. Create the login form using Symfony's form builder. You can create a login form class with fields for the username and password, and add it to the login route in your controller.For example, you can create a form class named LoginFormType with the following code:<?php // src/Form/LoginFormType.php namespace AppForm; use SymfonyComponentFormAbstractType; use SymfonyComponentFormExtensionCoreTypePasswordType; use SymfonyComponentFormExtensionCoreTypeSubmitType; use SymfonyComponentFormExtensionCoreTypeTextType; use SymfonyComponentFormFormBuilderInterface; class LoginFormType extends AbstractType { public function buildForm(FormBuilderInterface $builder, array $options) { $builder ->add('username', TextType::class) ->add('password', PasswordType::class) ->add('submit', SubmitType::class, [ 'label' => 'Login', 'attr' => ['class' => 'btn-primary'], ]); } } Then, in your controller, you can create the login action with the following code:<?php // src/Controller/SecurityController.php namespace AppController; use AppFormLoginFormType; use SymfonyBundleFrameworkBundleControllerAbstractController; use SymfonyComponentHttpFoundationRequest; use SymfonyComponentRoutingAnnotationRoute; class SecurityController extends AbstractController { /** * @Route("/login", name="login") */ public function login(Request $request) { $form = $this->createForm(LoginFormType::class); // handle the form submission return $this->render('security/login.html.twig', [ 'form' => $form->createView(), ]); } } This code creates a new instance of the LoginFormType class and renders the login form view.
4. Create the login form view. You can create a Twig template for the login form, which renders the form fields and the submit button.For example, you can create a Twig template named login.html.twig with the following code:{% extends 'base.html.twig' %} {% block body %} <div class="container"> <div class="row"> <div class="col-md-6 offset-md-3"> <h1>Login</h1> {{ form_start(form) }} {{ form_row(form.username) }} {{ form_row(form.password) }} {{ form_row(form.submit) }} {{ form_end(form) }} </div>