♻️ Include FRONTEND_HOST in CORS origins by default (#1348)

backend/app/core/config.py

@@ -38,6 +38,13 @@ class Settings(BaseSettings):
         list[AnyUrl] | str, BeforeValidator(parse_cors)
     ] = []
 
+    @computed_field  # type: ignore[prop-decorator]
+    @property
+    def all_cors_origins(self) -> list[str]:
+        return [str(origin).rstrip("/") for origin in self.BACKEND_CORS_ORIGINS] + [
+            self.FRONTEND_HOST
+        ]
+
     PROJECT_NAME: str
     SENTRY_DSN: HttpUrl | None = None
     POSTGRES_SERVER: str