Fix Alembic migration import error and database path issues

alembic.ini

@@ -36,7 +36,7 @@ script_location = migrations
 # output_encoding = utf-8
 
 # SQLite URL example
-sqlalchemy.url = sqlite:////app/storage/db/db.sqlite
+sqlalchemy.url = sqlite:///%(here)s/storage/db/db.sqlite
 
 [post_write_hooks]
 # post_write_hooks defines scripts or Python functions that are run

app/core/config.py

@@ -21,7 +21,9 @@ class Settings(BaseSettings):
         raise ValueError(v)
     
     # Database
-    DB_DIR: Path = Path("/app") / "storage" / "db"
+    # Get the project root directory dynamically
+    BASE_DIR: Path = Path(__file__).parent.parent.parent.absolute()
+    DB_DIR: Path = BASE_DIR / "storage" / "db"
     
     class Config:
         case_sensitive = True

migrations/env.py

@@ -1,4 +1,9 @@
 from logging.config import fileConfig
+import sys
+from pathlib import Path
+
+# Add the project root directory to the Python path
+sys.path.insert(0, str(Path(__file__).parent.parent.absolute()))
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool