first commit

backend/app/main.py

@@ -0,0 +1,57 @@
+from contextlib import asynccontextmanager
+import logging
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from sqlalchemy import text
+from sqlalchemy.exc import OperationalError
+
+from app.config import settings
+from app.database import Base, engine
+from app.mongo import close_mongo, connect_mongo
+from app.routers import auth, collab, documents, health
+from app.services.document_service import ensure_indexes
+
+logger = logging.getLogger(__name__)
+
+
+@asynccontextmanager
+async def lifespan(_: FastAPI):
+    try:
+        Base.metadata.create_all(bind=engine)
+        logger.info("Database connected and tables ready")
+    except OperationalError:
+        logger.warning("Database unavailable — check DATABASE_URL in .env")
+
+    try:
+        await connect_mongo()
+        from app.mongo import get_mongo_db
+
+        await ensure_indexes(get_mongo_db())
+        logger.info("MongoDB connected and indexes ready")
+    except Exception:
+        logger.warning("MongoDB unavailable — will connect when available")
+
+    yield
+    await close_mongo()
+
+
+app = FastAPI(title=settings.app_name, debug=settings.debug, lifespan=lifespan)
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.cors_origin_list,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+app.include_router(health.router, prefix="/api/v1")
+app.include_router(auth.router, prefix="/api/v1")
+app.include_router(documents.router, prefix="/api/v1")
+app.include_router(collab.router, prefix="/api/v1")
+
+
+@app.get("/")
+def root() -> dict[str, str]:
+    return {"message": "Silos API", "docs": "/docs"}