BBolt sample in Go

sample.go

package main

import (
	"fmt"
	"log"

	"go.etcd.io/bbolt"
)

func main() {
	// Open a BoltDB database file
	db, err := bbolt.Open("mydb.db", 0666, nil)
	if err != nil {
		log.Fatal(err)
	}
	defer db.Close()

	// Store data in the database
	err = db.Update(func(tx *bbolt.Tx) error {
		// Create or open a bucket
		bucket, err := tx.CreateBucketIfNotExists([]byte("MyBucket"))
		if err != nil {
			return err
		}

		// Store a key-value pair in the bucket
		err = bucket.Put([]byte("name"), []byte("Mort"))
		if err != nil {
			return err
		}

		return nil
	})

	if err != nil {
		log.Fatal(err)
	}

	// Retrieve data from the database
	err = db.View(func(tx *bbolt.Tx) error {
		// Get the bucket
		bucket := tx.Bucket([]byte("MyBucket"))
		if bucket == nil {
			return fmt.Errorf("Bucket not found")
		}

		// Retrieve the value associated with the key "name"
		val := bucket.Get([]byte("name"))
		fmt.Printf("The value of 'name' is: %s\n", val)

		return nil
	})

	if err != nil {
		log.Fatal(err)
	}
}