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