added alembic database migrations, json import/export

foodplanner.nomad.hcl

@@ -56,7 +56,7 @@ job "foodplanner" {
         # Mount the SQLite database file to persist data
         # Adjust the source path as needed for your environment
         volumes = [
-          "/alloc/tmp/:/data/",
+          "/alloc/tmp/:/app/data/",
           "/mnt/Public/configs/FoodPlanner_backups:/backups",
         ]
       }

main.py

@@ -324,14 +324,7 @@ def scheduled_backup():
 
 @app.on_event("startup")
 def startup_event():
-    logging.info("FastAPI application startup event triggered.")
-    try:
-        run_migrations()
-        logging.info("Database migrations completed successfully in startup_event.")
-    except Exception as e:
-        logging.error(f"Error during database migrations in startup_event: {e}")
-        # Depending on severity, you might want to re-raise or handle differently
-        # raise
+    run_migrations()
 
     # Schedule the backup job
     scheduler = BackgroundScheduler()