Fix base URL in production if not configured

CHANGELOG.rst

@@ -33,6 +33,8 @@ Removed
 * Official support for views rendered server-side in Django is removed. The
   `LegacyBaseTemplate` provided for backwards compatibility must not be used
   by apps declaring a dependency on AlekSIS >= 3.0.
+* Support for deploying AlekSIS in sub-URLs
+* Support for production deployments without HTTPS
 
 Deprecated
 ~~~~~~~~~~

aleksis/core/settings.py

@@ -68,7 +68,8 @@ DJANGO_VITE_DEV_SERVER_PORT = DEV_SERVER_PORT + 1
 
 ALLOWED_HOSTS = _settings.get("http.allowed_hosts", [getfqdn(), "localhost", "127.0.0.1", "[::1]"])
 BASE_URL = _settings.get(
-    "http.base_url", f"http://localhost:{DEV_SERVER_PORT}" if DEBUG else f"//{ALLOWED_HOSTS[0]}"
+    "http.base_url",
+    f"http://localhost:{DEV_SERVER_PORT}" if DEBUG else f"https://{ALLOWED_HOSTS[0]}",
 )