Initial GeoIntel V1 foundation

backend/app/db/session.py

@@ -0,0 +1,20 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, Session
+
+from app.core.config import get_settings
+
+
+engine = create_engine(get_settings().database_url, pool_pre_ping=True, future=True)
+SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False, future=True)
+
+
+def get_db():
+    db: Session = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def get_engine():
+    return engine