[WIP] Testing and reformuling

app/schema/config/env.py

@@ -1,6 +1,7 @@
 from typing import List
 from typing import Optional
 from sqlalchemy import String
+from sqlalchemy import ForeignKey
 from sqlalchemy.orm import Mapped
 from sqlalchemy.orm import mapped_column
 from sqlalchemy.orm import relationship
@@ -13,9 +14,8 @@ class Env(Base):
     key: Mapped[str] = mapped_column(String(255))
     value: Mapped[str] = mapped_column(String(65656))
 
-    libraries: Mapped[List["Library"]] = relationship(
-        back_populates="libraries", cascade="all, delete-orphan"
-    )
+    library_id: Mapped[int] = mapped_column(ForeignKey("library.id"))
+    library: Mapped[int] = relationship("Library", back_populates="envs")
 
     def __repr__(self) -> str:
         return f"Book(id={self.id!r}, name={self.name!r}, publisher={self.publisher!r}," \