more changes

lib/ezcontainer_railway/projects.ex

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+defmodule EzcontainerRailway.Projects do
+  import Ecto.Query
+
+  alias EzcontainerRailway.Repo
+  alias EzcontainerRailway.Project
+
+  def get_project_by_user_id(user_id) do
+    Repo.one(
+      from p in Project,
+      where: p.user_id == ^user_id,
+      limit: 1
+    )
+  end
+end