diff --git a/.gitignore b/.gitignore
index 2a5536b8d33c22dddf82165aec68bd12dc209be6..b2f649cfdb182392e35be5e4ec06044e0d9581df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 /.env
 /helm/api-platform/charts/*
 !/helm/api-platform/charts/.gitignore
+
+.idea/*
diff --git a/api/.gitignore b/api/.gitignore
index d270e414b426a6647813c0dca252c65e1f5ff268..ae93018f235cd62b0e8536d2cce6dab6f898b1be 100644
--- a/api/.gitignore
+++ b/api/.gitignore
@@ -19,3 +19,7 @@
 .phpunit.result.cache
 /phpunit.xml
 ###< symfony/phpunit-bridge ###
+
+### Migration ###
+/migrations/*
+```
diff --git a/api/README.md b/api/README.md
index d0edd4cfc66a3f2208dbda4be65593e9273a1899..8941c79a2d46caeeb71189bed18aa8e9ba00451e 100644
--- a/api/README.md
+++ b/api/README.md
@@ -3,3 +3,11 @@
 The API will be here.
 
 Refer to the [Getting Started Guide](https://api-platform.com/docs/distribution) for more information.
+
+## Migrations and database
+
+```bash
+docker compose exec php bin/console doctrine:migrations:diff
+docker compose exec php bin/console doctrine:migrations:migrate
+```
+
diff --git a/api/src/Entity/Sale.php b/api/src/Entity/Sale.php
new file mode 100644
index 0000000000000000000000000000000000000000..9ceb2c1394e677d4aaf043dbebfadd1bdbbd695a
--- /dev/null
+++ b/api/src/Entity/Sale.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace App\Entity;
+
+use ApiPlatform\Metadata\ApiResource;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
+
+/** A sale. */
+#[ORM\Entity]
+#[ApiResource]
+class Sale
+{
+
+    /** The id of this sale. **/
+    #[ORM\Id, ORM\Column, ORM\GeneratedValue]
+    private ?int $id;
+
+    /** The date of this sale. */
+    #[ORM\Column]
+    private ?\DateTimeImmutable $date;
+
+    /** The amount of this sale. */
+    #[ORM\Column]
+    private ?float $amount;
+
+    /** The surface of this sale. */
+    #[ORM\Column]
+    private ?float $surface;
+
+    /** The region of this sale. */
+    #[ORM\Column()]
+    private ?string $region;
+
+
+    // constructor
+    public function __construct(
+        \DateTimeImmutable $date = null,
+        float $amount = null,
+        float $surface = null,
+        string $region = null
+    ) {
+        $this->date = $date;
+        $this->amount = $amount;
+        $this->surface = $surface;
+        $this->region = $region;
+    }
+
+    // getters
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getDate(): ?\DateTimeInterface
+    {
+        return $this->date;
+    }
+
+    public function getAmount(): ?float
+    {
+        return $this->amount;
+    }
+
+    public function getSurface(): ?float
+    {
+        return $this->surface;
+    }
+
+    public function getRegion(): ?string
+    {
+        return $this->region;
+    }
+
+    // setters
+    public function setDate(\DateTimeImmutable $date): void
+    {
+        $this->date = $date;
+    }
+
+    public function setAmount(float $amount): void
+    {
+        $this->amount = $amount;
+    }
+
+    public function setSurface(float $surface): void
+    {
+        $this->surface = $surface;
+    }
+
+    public function setRegion(string $region): void
+    {
+        $this->region = $region;
+    }
+}