Pub / Sub

.NET Aspire + DAPR - Pub / Sub

sequenceDiagram
    participant ServiceA as ServiceA (Publisher)
    participant SidecarA as Dapr Sidecar (ServiceA)
    participant Broker as Message Broker (Redis/RabbitMQ)
    participant SidecarB as Dapr Sidecar (ServiceB)
    participant ServiceB as ServiceB (Subscriber)

    ServiceA->>SidecarA: Publish event "order"
    SidecarA->>Broker: Deliver event
    Broker->>SidecarB: Distribute event
    SidecarB->>ServiceB: Subscribe with event data

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For a written article, refer: Pub / Sub

• Redis Streams

apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
  name: pubsub
spec:
  type: pubsub.redis
  version: v1
  metadata:
  - name: redisHost
    value: localhost:6500
  - name: redisPassword
    value: "localDev"

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• RabbitMQ

apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
  name: pubsub
  namespace: default
spec:
  type: pubsub.rabbitmq
  version: v1
  metadata:
  - name: host
    value: "amqp://guest:guest@localhost:5672"

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