Dapr Pub/Sub Redis 组件与发布订阅实践

components/pubsub.yaml：apiVersion: dapr.io/v1alpha1

kind: Component

metadata:

name: pubsub

namespace: default

spec:

type: pubsub.redis

version: v1

metadata:

- name: redisHost

value: redis:6379

- name: redisPassword

value: ""

发布消息（HTTP API）：curl -X POST http://localhost:3500/v1.0/publish/pubsub/orders \

-H "Content-Type: application/json" \

-d '{"id": 1, "sku": "A-100"}'

应用订阅（HTTP 路由约定）：POST /orders

Content-Type: application/json

{"id":1,"sku":"A-100"}

运行应用（示例）：dapr run --app-id app --app-port 3000 --resources-path ./components -- node app.js