kinesis-producerA KPL-like batch producer for Amazon Kinesis

package main

import (
	"context"
	"log"
	"net/http"
	"time"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/service/kinesis"
	producer "github.com/kinesis-producer-go/kinesis-producer"
)

func main() {
	transport := http.DefaultTransport.(*http.Transport).Clone()
	transport.MaxIdleConns = 20
	transport.MaxIdleConnsPerHost = 20
	httpClient := &http.Client{
		Transport: transport,
	}
	cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion("us-west-2"), config.WithHTTPClient(httpClient))
	if err != nil {
		log.Fatalf("unable to load SDK config, %v", err)
	}
	client := kinesis.NewFromConfig(cfg)
	pr := producer.New(&producer.Config{
		StreamName:   aws.String("test"),
		BacklogCount: 2000,
		Client:       client,
	})

	pr.Start()

	// Handle failures
	go func() {
		for r := range pr.NotifyFailures() {
			// r contains `Data`, `PartitionKey` and `Error()`
			log.Printf("failure record: %+v\n", r)
		}
	}()

	for i := 0; i < 5000; i++ {
		if err := pr.Put([]byte("foo")); err != nil {
			log.Printf("error producing: %+v\n", err)
			time.Sleep(1 * time.Second)
		}
	}

	time.Sleep(1 * time.Minute)
	pr.Stop()
}