rss mention fix attempt; SITE_NAME is now required

app/__init__.py

@@ -10,6 +10,7 @@ from .constants import (
     SIG_BANNED_TAGS, STRICT_BANNED_TAGS,
     )
 from .lib.babycode import babycode_to_html, babycode_to_rssxml, EMOJI, BABYCODE_VERSION
+from .lib.exceptions import SiteNameMissingException
 from datetime import datetime, timezone
 from flask_caching import Cache
 import os
@@ -165,6 +166,8 @@ def create_app():
         load_dotenv()
     else:
         app.config["DB_PATH"] = "data/db/db.prod.sqlite"
+        if not app.config["SERVER_NAME"]:
+            raise SiteNameMissingException()
 
     app.config["SECRET_KEY"] = os.getenv("FLASK_SECRET_KEY")