fix(go-http): requires content-type set to application/json

Signed-off-by: guergabo <guergabo@umich.edu>

pub_sub/go/http/checkout/app.go

@@ -34,6 +34,8 @@ func main() {
 			log.Fatal(err.Error())
 		}
 
+		req.Header.Set("Content-Type", "application/json")
+
 		// Publish an event using Dapr pub/sub
 		res, err := client.Do(req)
 		if err != nil {

pub_sub/go/http/order-processor/app.go

@@ -45,6 +45,7 @@ func postOrder(w http.ResponseWriter, r *http.Request) {
 		log.Fatal(err)
 	}
 	var result Result
+	fmt.Println(string(data))
 	err = json.Unmarshal(data, &result)
 	if err != nil {
 		log.Fatal(err.Error())