upgrade to phoenix 1.7

lib/cannery_web/controllers/error_html.ex

@@ -0,0 +1,16 @@
+defmodule CanneryWeb.ErrorHTML do
+  use CanneryWeb, :html
+
+  embed_templates "error_html/*"
+
+  def render(template, _assigns) do
+    error_string =
+      case template do
+        "404.html" -> dgettext("errors", "Not found")
+        "401.html" -> dgettext("errors", "Unauthorized")
+        _other_path -> dgettext("errors", "Internal server error")
+      end
+
+    error(%{error_string: error_string})
+  end
+end