diff --git a/.gitignore b/.gitignore
index ad243a8..43182ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,8 +28,8 @@ nulla-*.tar
 # Ignore assets that are produced by build tools.
 /priv/static/assets/
 
-# Ignore upload dir
-/priv/static/system/
+# Ignore static files
+/priv/static/files/
 
 # Ignore digested assets cache.
 /priv/static/cache_manifest.json
diff --git a/lib/nulla/models/media_attachment.ex b/lib/nulla/models/media_attachment.ex
index 61dbb1f..97efee3 100644
--- a/lib/nulla/models/media_attachment.ex
+++ b/lib/nulla/models/media_attachment.ex
@@ -1,36 +1,22 @@
 defmodule Nulla.Models.MediaAttachment do
   use Ecto.Schema
   import Ecto.Changeset
-  alias Nulla.Repo
-  alias Nulla.Snowflake
   alias Nulla.Models.Note
 
   @primary_key {:id, :integer, autogenerate: false}
   schema "media_attachments" do
-    field :type, :string
-    field :mediaType, :string
-    field :url, :string
-    field :name, :string
-    field :width, :integer
-    field :height, :integer
+    field :file, :string
+    field :mime_type, :string
+    field :description, :string
 
     belongs_to :note, Note
 
     timestamps(type: :utc_datetime)
   end
 
-  def changeset(media_attachment, attrs) do
-    media_attachment
-    |> cast(attrs, [:type, :mediaType, :url, :name, :width, :height, :note_id])
-    |> validate_required([:type, :mediaType, :url, :note_id])
-  end
-
-  def create_media_attachment(attrs) when is_map(attrs) do
-    id = Map.get(attrs, :id, Snowflake.next_id())
-
-    %__MODULE__{}
-    |> changeset(attrs)
-    |> put_change(:id, id)
-    |> Repo.insert()
+  def changeset(media, attrs) do
+    media
+    |> cast(attrs, [:note_id, :file, :mime_type, :description])
+    |> validate_required([:note_id, :file])
   end
 end
diff --git a/lib/nulla_web.ex b/lib/nulla_web.ex
index 0c0b0cb..9feaa88 100644
--- a/lib/nulla_web.ex
+++ b/lib/nulla_web.ex
@@ -17,7 +17,7 @@ defmodule NullaWeb do
   those modules here.
   """
 
-  def static_paths, do: ~w(assets system fonts images favicon.ico robots.txt)
+  def static_paths, do: ~w(assets files fonts images favicon.ico robots.txt)
 
   def router do
     quote do
diff --git a/priv/repo/migrations/20250615131644_create_media_attachments.exs b/priv/repo/migrations/20250615131644_create_media_attachments.exs
index efacd89..1d9fe64 100644
--- a/priv/repo/migrations/20250615131644_create_media_attachments.exs
+++ b/priv/repo/migrations/20250615131644_create_media_attachments.exs
@@ -4,13 +4,10 @@ defmodule Nulla.Repo.Migrations.CreateMediaAttachments do
   def change do
     create table(:media_attachments, primary_key: false) do
       add :id, :bigint, primary_key: true
-      add :type, :string, null: false
-      add :mediaType, :string, null: false
-      add :url, :string, null: false
-      add :name, :string
-      add :width, :integer
-      add :height, :integer
       add :note_id, references(:notes, on_delete: :delete_all), null: false
+      add :file, :string, null: false
+      add :mime_type, :string
+      add :description, :string
 
       timestamps(type: :utc_datetime)
     end