diff --git a/.env b/.env
index 42ad71d..ae5c7f3 100644
--- a/.env
+++ b/.env
@@ -23,10 +23,10 @@ APP_SECRET=
 # Format described at https://www.doctrine-project.org/projects/doctrine-dbal/en/latest/reference/configuration.html#connecting-using-a-url
 # IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml
 #
-# DATABASE_URL="sqlite:///%kernel.project_dir%/var/data_%kernel.environment%.db"
+DATABASE_URL="sqlite:///%kernel.project_dir%/var/data_%kernel.environment%.db"
 # DATABASE_URL="mysql://app:!ChangeMe!@127.0.0.1:3306/app?serverVersion=8.0.32&charset=utf8mb4"
 # DATABASE_URL="mysql://app:!ChangeMe!@127.0.0.1:3306/app?serverVersion=10.11.2-MariaDB&charset=utf8mb4"
-DATABASE_URL="postgresql://app:!ChangeMe!@127.0.0.1:5432/app?serverVersion=16&charset=utf8"
+# DATABASE_URL="postgresql://app:!ChangeMe!@127.0.0.1:5432/app?serverVersion=16&charset=utf8"
 ###< doctrine/doctrine-bundle ###
 
 ###> symfony/messenger ###
diff --git a/composer.json b/composer.json
index a15eb4b..4f0a367 100644
--- a/composer.json
+++ b/composer.json
@@ -101,7 +101,7 @@
         "symfony/browser-kit": "7.2.*",
         "symfony/css-selector": "7.2.*",
         "symfony/debug-bundle": "7.2.*",
-        "symfony/maker-bundle": "^1.0",
+        "symfony/maker-bundle": "^1.63",
         "symfony/phpunit-bridge": "^7.2",
         "symfony/stopwatch": "7.2.*",
         "symfony/web-profiler-bundle": "7.2.*"
diff --git a/composer.lock b/composer.lock
index be9538c..123b5ab 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "f7d3da4051931b357a1b2691d865cbd3",
+    "content-hash": "be4d1d2b4515d0af292b8887b9724e0b",
     "packages": [
         {
             "name": "composer/semver",
diff --git a/migrations/Version20250517200832.php b/migrations/Version20250517200832.php
new file mode 100644
index 0000000..960d92f
--- /dev/null
+++ b/migrations/Version20250517200832.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250517200832 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            CREATE TABLE note (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, content VARCHAR(255) NOT NULL, published_date DATE NOT NULL)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE TABLE messenger_messages (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, body CLOB NOT NULL, headers CLOB NOT NULL, queue_name VARCHAR(190) NOT NULL, created_at DATETIME NOT NULL --(DC2Type:datetime_immutable)
+            , available_at DATETIME NOT NULL --(DC2Type:datetime_immutable)
+            , delivered_at DATETIME DEFAULT NULL --(DC2Type:datetime_immutable)
+            )
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE INDEX IDX_75EA56E0FB7336F0 ON messenger_messages (queue_name)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE INDEX IDX_75EA56E0E3BD61CE ON messenger_messages (available_at)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE INDEX IDX_75EA56E016BA31DB ON messenger_messages (delivered_at)
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            DROP TABLE note
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP TABLE messenger_messages
+        SQL);
+    }
+}
diff --git a/migrations/Version20250517212750.php b/migrations/Version20250517212750.php
new file mode 100644
index 0000000..491ccc7
--- /dev/null
+++ b/migrations/Version20250517212750.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250517212750 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            ALTER TABLE note ADD COLUMN slug VARCHAR(255) NOT NULL
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            CREATE TEMPORARY TABLE __temp__note AS SELECT id, content, published_date FROM note
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP TABLE note
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE TABLE note (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, content VARCHAR(255) NOT NULL, published_date DATE NOT NULL)
+        SQL);
+        $this->addSql(<<<'SQL'
+            INSERT INTO note (id, content, published_date) SELECT id, content, published_date FROM __temp__note
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP TABLE __temp__note
+        SQL);
+    }
+}
diff --git a/src/Controller/GuiController.php b/src/Controller/GuiController.php
index cf6dddb..395b863 100644
--- a/src/Controller/GuiController.php
+++ b/src/Controller/GuiController.php
@@ -1,8 +1,15 @@
 <?php
 namespace App\Controller;
 
+use App\Entity\Note;
+use App\Form\Type\NoteType;
+use DateTime;
+use DateTimeZone;
+use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bridge\Twig\Attribute\Template;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
 
 class GuiController extends AbstractController {
@@ -14,4 +21,66 @@ class GuiController extends AbstractController {
             'description' => 'Joe Carstairs\' personal website',
         ];
     }
+
+    #[Route('/notes', name: 'notes')]
+    #[Template('/notes.html.twig')]
+    public function notes(): Array {
+        return [
+            'title' => 'Joe Carstairs\' notes',
+            'description' => 'Joe Carstairs\' notes',
+        ];
+    }
+
+    #[Route('/note/{slug}', name: 'note')]
+    #[Template('/note.html.twig')]
+    public function note(
+        EntityManagerInterface $entityManager,
+        string $slug,
+    ): array {
+        $repository = $entityManager->getRepository(Note::class);
+        $note = $repository->findOneBy(['slug' => $slug]);
+
+        return [
+            'title' => 'Joe Carstairs\' notes',
+            'description' => 'Joe Carstairs\' notes',
+            'note' => $note,
+        ];
+    }
+
+    #[Route('/notes/write')]
+    #[Template('/write_note.html.twig')]
+    public function writeNote(
+        EntityManagerInterface $entityManager,
+        Request $request,
+    ): Response {
+        $note = new Note();
+        $form = $this->createForm(NoteType::class, $note);
+
+        $form->handleRequest($request);
+        if ($form->isSubmitted() && $form->isValid()) {
+            $note = $form->getData();
+
+            $now = new DateTime('now');
+            $note->setPublishedDate($now);
+
+            $num_existing_notes_today = $entityManager->getRepository(Note::class)->countWherePublishedOnDate($now);
+            $note->getPublishedDate()->setTimezone(new DateTimeZone('Europe/London'));
+            $slug = $note->getPublishedDate()->format('Y-m-d');
+            if ($num_existing_notes_today > 0) {
+                $slug = $slug . '-' . $num_existing_notes_today;
+            }
+            $note->setSlug($slug);
+
+            $entityManager->persist($note);
+            $entityManager->flush();
+
+            return $this->redirectToRoute('note', ['slug' => $note->getSlug()]);
+        }
+
+        return $this->render('/write_note.html.twig', [
+            'title' => 'Write for Joe Carstairs',
+            'description' => 'The authoring page for Joe Carstairs\' personal website',
+            'form' => $form,
+        ]);
+    }
 }
diff --git a/src/Entity/Note.php b/src/Entity/Note.php
new file mode 100644
index 0000000..17dac1f
--- /dev/null
+++ b/src/Entity/Note.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Entity;
+
+use App\Repository\NoteRepository;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: NoteRepository::class)]
+class Note
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column]
+    private ?int $id = null;
+
+    #[ORM\Column(length: 255)]
+    private ?string $content = null;
+
+    #[ORM\Column(type: Types::DATE_MUTABLE)]
+    private ?\DateTime $published_date = null;
+
+    #[ORM\Column(length: 255)]
+    private ?string $slug = null;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getContent(): ?string
+    {
+        return $this->content;
+    }
+
+    public function setContent(string $content): static
+    {
+        $this->content = $content;
+
+        return $this;
+    }
+
+    public function getPublishedDate(): ?\DateTime
+    {
+        return $this->published_date;
+    }
+
+    public function setPublishedDate(\DateTime $published_date): static
+    {
+        $this->published_date = $published_date;
+
+        return $this;
+    }
+
+    public function getSlug(): ?string
+    {
+        return $this->slug;
+    }
+
+    public function setSlug(string $slug): static
+    {
+        $this->slug = $slug;
+
+        return $this;
+    }
+}
diff --git a/src/Form/Type/NoteType.php b/src/Form/Type/NoteType.php
new file mode 100644
index 0000000..554603e
--- /dev/null
+++ b/src/Form/Type/NoteType.php
@@ -0,0 +1,27 @@
+<?php
+namespace App\Form\Type;
+
+use App\Entity\Note;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class NoteType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('content', TextType::class)
+            ->add('post', SubmitType::class)
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => Note::class,
+        ]);
+    }
+}
diff --git a/src/Repository/NoteRepository.php b/src/Repository/NoteRepository.php
new file mode 100644
index 0000000..2322699
--- /dev/null
+++ b/src/Repository/NoteRepository.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Repository;
+
+use App\Entity\Note;
+use DateInterval;
+use DateTime;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @extends ServiceEntityRepository<Note>
+ */
+class NoteRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, Note::class);
+    }
+
+    public function countWherePublishedOnDate(DateTime $date): int {
+        $min = new DateTime($date->format('c'));
+        $min->setTime(0, 0, 0, 0);
+        $max = new DateTime($min->format('c'));
+        $max->add(DateInterval::createFromDateString('1 day'));
+
+        $wherePublishedOnDate = $this->createQueryBuilder('n')
+            ->andWhere('n.published_date >= :min')
+            ->andWhere('n.published_date < :max')
+            ->setParameter('min', $min)
+            ->setParameter('max', $max)
+            ->getQuery()
+            ->execute();
+
+            return count($wherePublishedOnDate);
+    }
+
+    //    /**
+    //     * @return Note[] Returns an array of Note objects
+    //     */
+    //    public function findByExampleField($value): array
+    //    {
+    //        return $this->createQueryBuilder('n')
+    //            ->andWhere('n.exampleField = :val')
+    //            ->setParameter('val', $value)
+    //            ->orderBy('n.id', 'ASC')
+    //            ->setMaxResults(10)
+    //            ->getQuery()
+    //            ->getResult()
+    //        ;
+    //    }
+
+    //    public function findOneBySomeField($value): ?Note
+    //    {
+    //        return $this->createQueryBuilder('n')
+    //            ->andWhere('n.exampleField = :val')
+    //            ->setParameter('val', $value)
+    //            ->getQuery()
+    //            ->getOneOrNullResult()
+    //        ;
+    //    }
+}
diff --git a/templates/note.html.twig b/templates/note.html.twig
new file mode 100644
index 0000000..4cc29a3
--- /dev/null
+++ b/templates/note.html.twig
@@ -0,0 +1,9 @@
+{% extends 'base.html.twig' %}
+
+{% block content %}
+    <section>
+        <h1>Note</h1>
+        <time>{{ note.getPublishedDate().format('c') }}
+        <p>{{ note.content }}</p>
+    </section>
+{% endblock %}
diff --git a/templates/notes.html.twig b/templates/notes.html.twig
new file mode 100644
index 0000000..fe65f80
--- /dev/null
+++ b/templates/notes.html.twig
@@ -0,0 +1,7 @@
+{% extends 'base.html.twig' %}
+
+{% block content %}
+    <section>
+        <h1>Notes</h1>
+    </section>
+{% endblock %}
diff --git a/templates/write_note.html.twig b/templates/write_note.html.twig
new file mode 100644
index 0000000..04d07df
--- /dev/null
+++ b/templates/write_note.html.twig
@@ -0,0 +1,8 @@
+{% extends 'base.html.twig' %}
+
+{% block content %}
+    <section>
+        <h1>Write a note</h1>
+        {{ form(form) }}
+    </section>
+{% endblock %}