add example of jetstream

faststream_app_jetstream.py

@@ -8,7 +8,7 @@ from cProfile import run
 from faststream import FastStream
 from faststream.specification.asyncapi.v3_0_0.schema import servers
 from pydantic import BaseModel, Field
-from faststream.nats import NatsBroker, JStream
+from faststream.nats import NatsBroker, JStream, PullSub
 from urllib3.util import url
 
 NATS_SERVERS = os.getenv('NATS_URL', 'nats://localhost:4222').split(',')
@@ -19,17 +19,23 @@ app = FastStream(broker)
 
 stream = JStream(name="orders", subjects=["orders.*"])
 
-@broker.subscriber("orders.created", stream=stream, durable="orders-worker")
+@broker.subscriber("orders.created",
+                   stream=stream,
+                   #pull_sub=PullSub(),
+                   queue="orders-queue",
+                   #durable="orders-worker"
+                   ) #event-processor
 async def handle_order(message: dict):
     print("received:", message)
     return {"status": "ok"}
 
-@broker.publisher("orders.created", stream="orders")
+# @broker.publisher("orders.created", stream="orders")
-async def publish_order():
+# async def publish_order():
-    return {"order_id": 123, "item": "book"}
+#     return {"order_id": 123, "item": "book"}
 
 
 async def main():
+    #await publish_order()
     await app.run()
 
 if __name__ == "__main__":