feat: add base FastAPI project structure with static frontend and API v1

app/db/session.py

@@ -0,0 +1,45 @@
+from typing import AsyncGenerator, Generator
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.ext.asyncio import AsyncSession
+from app.db.engine import engine, async_engine
+
+# =========================
+# SYNCHRONOUS SESSION
+# =========================
+SessionLocal = sessionmaker(
+    bind=engine,
+    autocommit=False,
+    autoflush=False,
+    future=True
+)
+
+def get_db() -> Generator:
+    """
+    Yield a synchronous SQLAlchemy session
+    Usage: Depends(get_db)
+    """
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+# =========================
+# ASYNCHRONOUS SESSION
+# =========================
+AsyncSessionLocal = sessionmaker(
+    bind=async_engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+    autocommit=False,
+    autoflush=False,
+    future=True
+)
+
+async def get_async_db() -> AsyncGenerator:
+    """
+    Yield an asynchronous SQLAlchemy session
+    Usage: Depends(get_async_db)
+    """
+    async with AsyncSessionLocal() as session:
+        yield session