Create sample project
mkdir dapr-subscriber
cd dapr-subscriber
dotnet new webapi
dotnet add package Dapr.AspNetCore
mkdir componentsAdd components/pubsub.yaml
apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
name: pubsub
spec:
type: pubsub.redis
version: v1
metadata:
- name: redisHost
value: localhost:6379
- name: redisPassword
value: ""
Configure Dapr in startup
Add support the requests with Content-Type application/cloudevents+json in Startup.cs
app.UseCloudEvents();Add Dapr subscribe handler in Startup.cs
endpoints.MapSubscribeHandler();
Remove https redirection
Add sample controller
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Dapr;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
namespace dapr_subscriber.Controllers
{
[ApiController]
[Route("[controller]")]
public class SampleController : ControllerBase
{
private readonly ILogger<SampleController> _logger;
public SampleController(ILogger<SampleController> logger)
{
_logger = logger;
}
[HttpPost]
[Topic("pubsub", "hello-world")]
public ActionResult HelloWorld()
{
_logger.LogWarning("Hello world");
return Ok();
}
}
}Run the application
dapr run --app-id sample --app-port 5000 --components-path ./components -- dotnet runPublish a message to the application
dapr publish --pubsub pubsub --publish-app-id sample -t hello-world
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