debugging improvements

src/backend/langflow/database/base.py

@@ -6,6 +6,7 @@ if settings.database_url.startswith("sqlite"):
     connect_args = {"check_same_thread": False}
 else:
     connect_args = {}
+
 engine = create_engine(settings.database_url, connect_args=connect_args)
 
 
@@ -13,6 +14,15 @@ def create_db_and_tables():
     logger.debug("Creating database and tables")
     SQLModel.metadata.create_all(engine)
     logger.debug("Database and tables created")
+    # Now check if the table Flow exists, if not, something went wrong
+    # and we need to create the tables again.
+    from sqlalchemy import inspect
+
+    inspector = inspect(engine)
+    if "flow" not in inspector.get_table_names():
+        logger.error("Something went wrong creating the database and tables.")
+        logger.error("Please check your database settings.")
+        raise RuntimeError("Something went wrong creating the database and tables.")
 
 
 def get_session():

src/backend/langflow/lcserve.py

@@ -1,16 +1,7 @@
 # This file is used by lc-serve to load the mounted app and serve it.
 
-from pathlib import Path
+from langflow.main import setup_app
+from langflow.utils.logger import configure
 
-from fastapi.staticfiles import StaticFiles
+configure(log_level="DEBUG")
-
+app = setup_app()
-from langflow.main import create_app
-
-app = create_app()
-path = Path(__file__).parent
-static_files_dir = path / "frontend"
-app.mount(
-    "/",
-    StaticFiles(directory=static_files_dir, html=True),
-    name="static",
-)

src/backend/langflow/main.py

@@ -61,7 +61,7 @@ def setup_static_files(app: FastAPI, static_files_dir: Path):
 
 # app = create_app()
 # setup_static_files(app, static_files_dir)
-def setup_app(static_files_dir: Optional[Path]) -> FastAPI:
+def setup_app(static_files_dir: Optional[Path] = None) -> FastAPI:
     """Setup the FastAPI app."""
     # get the directory of the current file
     if not static_files_dir: