go-redis example code

package main

import (
	"context"
	"fmt"
	"time"

	"github.com/go-redis/redis/v8"
)

var ctx = context.Background()

func main() {

	client := redis.NewClient(&redis.Options{
		Addr:            "localhost:6379",
		Password:        "",                   // blank is no password
		DB:              0,                    // 0 is the default
		MinIdleConns:    1,                    // make sure there are at least this many connections
		MinRetryBackoff: 8 * time.Millisecond, //minimum amount of time to try and backupf
		MaxRetryBackoff: 5000 * time.Millisecond,
		MaxConnAge:      0,  //3 * time.Second this will cause everyone to reconnect every 3 seconds - 0 is keep open forever
		MaxRetries:      10, // retry 10 times : automatic reconnect if a proxy is killed
		IdleTimeout:     time.Second,
	})

	// if you are using multiple go routines handle this within that routine
	defer client.Close()

	fmt.Println("Go Redis Example")
	fmt.Printf("Initial Pool Stats:\n\t%+v\n", client.PoolStats())

	// Set a key with a TTL of 30seconds
	err := client.Set(ctx, "key", "value", 30*time.Second).Err()
	if err != nil {
		panic(err)
	}

	// Get a key that does not exist
	val2, err := client.Get(ctx, "key2").Result()
	if err == redis.Nil {
		fmt.Println("key2 does not exist")
	} else if err != nil {
		panic(err)
	} else {
		fmt.Println("key2", val2)
	}

	// Run a raw command
	rawres, rawerr := client.Do(ctx, "slowlog", "reset").Result()
	if rawerr != nil {
		panic(rawerr)
	}
	fmt.Println(rawres)

	fmt.Printf("Final Pool Stats:\n\t%+v\n", client.PoolStats())
}