Базовый коммит

service/database.py

@@ -0,0 +1,17 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from service.models import Base
+
+
+class Database:
+    def __init__(self, db_url):
+        self.engine = create_engine(db_url)
+        self.Session = sessionmaker(bind=self.engine)
+        
+    def create_tables(self):
+        Base.metadata.create_all(self.engine)
+
+
+DB_URL = "postgresql://CHANGEME"
+db = Database(DB_URL)
+db.create_tables()