Don't expose production url.

CHANGELOG.rst

@@ -14,10 +14,10 @@ Changelog
 - Snippets which are expired are now deleted as soon as they are requested
   by a client. It's not necessary to purge them minutely with the
   ``cleanup_snipppet`` managemenent command. It's still encouraged to have the
-  management command setup, so snippets which expired but never got fetched
-  by a client are deleted properly.
-- New AppConfig setting ``APPLICATION_NAME`` that can be used to replace the term
-  "dpaste" throughout the UI.
+  management command setup, just run it daily, so snippets which expired but
+  never got fetched by a client are deleted properly.
+- New AppConfig setting ``APPLICATION_NAME`` that can be used to replace the
+  term "dpaste" throughout the UI.
 - New AppConfig setting ``EXTRA_HEAD_HTML`` that can be used to add custom HTML
   to each template, specifically used for custom CSS styles, to easily override
   the stock UI of dpaste.

dpaste/apps.py

@@ -618,7 +618,7 @@ class dpasteAppConfig(AppConfig):
             site = get_current_site(request)
             if site:
                 return f"https://{site.domain}"
-        return "https://dpaste.de"
+        return "https://dpaste-base-url.example.org"
 
     @property
     def extra_template_context(self):