Auto-append port to --base-url so user only specifies hostname

src/server.py

@@ -65,7 +65,12 @@ def create_handler(db_path: str, base_url: str = None):
 
         def _base_url(self) -> str:
             if base_url:
-                return base_url
+                port = self.server.server_address[1]
+                url = base_url.rstrip("/")
+                netloc = url.split("://", 1)[-1].split("/", 1)[0]
+                if ":" not in netloc:
+                    url = f"{url}:{port}"
+                return url
             host = self.server.server_address[0]
             port = self.server.server_address[1]
             return f"http://{host}:{port}"