this is a really good first commit

lib/something_erlang_web/live/user_confirmation_instructions_live.ex

@@ -0,0 +1,45 @@
+defmodule SomethingErlangWeb.UserConfirmationInstructionsLive do
+  use SomethingErlangWeb, :live_view
+
+  alias SomethingErlang.Accounts
+
+  def render(assigns) do
+    ~H"""
+    <.header>Resend confirmation instructions</.header>
+
+    <.simple_form :let={f} for={:user} id="resend_confirmation_form" phx-submit="send_instructions">
+      <.input field={{f, :email}} type="email" label="Email" required />
+      <:actions>
+        <.button phx-disable-with="Sending...">Resend confirmation instructions</.button>
+      </:actions>
+    </.simple_form>
+
+    <p>
+      <.link href={~p"/users/register"}>Register</.link>
+      |
+      <.link href={~p"/users/log_in"}>Log in</.link>
+    </p>
+    """
+  end
+
+  def mount(_params, _session, socket) do
+    {:ok, socket}
+  end
+
+  def handle_event("send_instructions", %{"user" => %{"email" => email}}, socket) do
+    if user = Accounts.get_user_by_email(email) do
+      Accounts.deliver_user_confirmation_instructions(
+        user,
+        &url(~p"/users/confirm/#{&1}")
+      )
+    end
+
+    info =
+      "If your email is in our system and it has not been confirmed yet, you will receive an email with instructions shortly."
+
+    {:noreply,
+     socket
+     |> put_flash(:info, info)
+     |> redirect(to: ~p"/")}
+  end
+end