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cmd/order/amqp.go

@@ -60,7 +60,12 @@ func (p *rabbitPublisher) Publish(exchange, routingKey string, body []byte) erro
 			return err
 		}
 	}
-	err := p.ch.PublishWithContext(context.Background(), exchange, routingKey, false, false,
+	// Bound the publish so a half-open/black-holed connection can't wedge the
+	// outbox relay indefinitely; on timeout the error path resets and the relay
+	// retries on its next tick.
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	err := p.ch.PublishWithContext(ctx, exchange, routingKey, false, false,
 		amqp.Publishing{ContentType: "application/json", Body: body})
 	if err != nil {
 		p.reset() // force a reconnect on the next attempt