Golang MongoDB connection example

main.go

package main

import (
	"context"
	"time"

	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
	"go.mongodb.org/mongo-driver/mongo/readpref"
)

func main() {
	ctx := context.Background()

	client, err := mongo.Connect(ctx, options.Client().ApplyURI("mongodb://127.0.0.1:27017"))
	if err != nil {
		panic(err)
	}
	defer func() {
		if err = client.Disconnect(ctx); err != nil {
			panic(err)
		}
	}()
	err = client.Ping(ctx, readpref.Primary())
	if err != nil {
		panic(err)
	}
}