mongo_insert.go

package main

import (
        "context"
        "fmt"

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

const URI = "mongodb://localhost:27017/"

func main() {
        // Connection
        client, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(URI))

        if err != nil {
                panic(err)
        }
        defer func() {
                if err = client.Disconnect(context.TODO()); err != nil {
                        panic(err)
                }
        } ()

        // Ping
        if err := client.Ping(context.TODO(), readpref.Primary()); err != nil {
                panic(err)
        }

        fmt.Println("Successfully connected and pinged.")

        // Insert One
        coll := client.Database("test").Collection("books")
        doc := bson.D{{"title", "essence of OS"}, {"author", "amuge"}}

        result, err := coll.InsertOne(context.TODO(), doc)

        fmt.Printf("Inserted document with _id: %v\n", result.InsertedID)
}