this is a really good first commit

lib/something_erlang_web/live/user_login_live.ex

@@ -0,0 +1,49 @@
+defmodule SomethingErlangWeb.UserLoginLive do
+  use SomethingErlangWeb, :live_view
+
+  def render(assigns) do
+    ~H"""
+    <div class="mx-auto max-w-sm">
+      <.header class="text-center">
+        Sign in to account
+        <:subtitle>
+          Don't have an account?
+          <.link navigate={~p"/users/register"} class="font-semibold text-brand hover:underline">
+            Sign up
+          </.link>
+          for an account now.
+        </:subtitle>
+      </.header>
+
+      <.simple_form
+        :let={f}
+        id="login_form"
+        for={:user}
+        action={~p"/users/log_in"}
+        as={:user}
+        phx-update="ignore"
+      >
+        <.input field={{f, :email}} type="email" label="Email" required />
+        <.input field={{f, :password}} type="password" label="Password" required />
+
+        <:actions :let={f}>
+          <.input field={{f, :remember_me}} type="checkbox" label="Keep me logged in" />
+          <.link href={~p"/users/reset_password"} class="text-sm font-semibold">
+            Forgot your password?
+          </.link>
+        </:actions>
+        <:actions>
+          <.button phx-disable-with="Signing in..." class="w-full">
+            Sign in <span aria-hidden="true">→</span>
+          </.button>
+        </:actions>
+      </.simple_form>
+    </div>
+    """
+  end
+
+  def mount(_params, _session, socket) do
+    email = live_flash(socket.assigns.flash, :email)
+    {:ok, assign(socket, email: email), temporary_assigns: [email: nil]}
+  end
+end