Added middleware management

* Added CORS middleware

Author: nb-programmer

sample_fastapi/app/app_factory.py

@@ -5,7 +5,7 @@
 from fastapi import FastAPI
 from tqdm.contrib.logging import logging_redirect_tqdm
 
-from . import resources
+from . import middleware, resources
 
 LOG = logging.getLogger(__name__)
 
@@ -28,4 +28,6 @@ async def app_lifespan_handler(app: FastAPI):
 def init_app():
     app = FastAPI(lifespan=app_lifespan_handler)
     resources.init_app(app)
+    middleware.init_middleware(app)
+
     return app

sample_fastapi/app/middleware/__init__.py

@@ -0,0 +1,3 @@
+from .middleware import init_middleware
+
+__all__ = ["init_middleware"]

sample_fastapi/app/middleware/cors.py

@@ -0,0 +1,14 @@
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+
+def init_middleware(app: FastAPI):
+    # TODO: Allow this to be configurable
+    app.add_middleware(
+        CORSMiddleware,
+        allow_credentials=True,
+        allow_origins=["*"],
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )

sample_fastapi/app/middleware/middleware.py

@@ -0,0 +1,14 @@
+import logging
+
+from fastapi import FastAPI
+
+LOG = logging.getLogger(__name__)
+
+
+def init_middleware(app: FastAPI):
+    from . import cors
+
+    # NOTE: Add more middleware here
+
+    LOG.info("Adding `CORS` middleware")
+    cors.init_middleware(app)