How to Connect to MongoDB Atlas from Go using the Updated `mongodb srv` URL Syntax?-Golang-php.cn

How to Connect to MongoDB Atlas from Go using the Updated `mongodb srv` URL Syntax?

Linda Hamilton

Release： 2024-12-07 15:21:13

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How to Connect to MongoDB Atlas from Go using the Updated `mongodb srv` URL Syntax?

Connecting to MongoDB Atlas from Go Using New URL Syntax

Query:

How do I connect to MongoDB Atlas using the updated mongodb srv URL syntax in the latest versions of Go drivers?

Solution:

Previously, the Go driver used a custom URL parser for connecting to MongoDB Atlas. However, in MongoDB 3.6, the native Go url.Parse function is used for parsing the new URL format:

package main

import (
    "context"
    "log"
    "time"

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

func main() {
    mongoURI := "mongodb+srv://admin:[email&#160;protected]/dbname?ssl=true&amp;retryWrites=true"

    // Set a timeout for connection establishment.
    ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
    defer cancel()

    // Use mongo-go-driver to connect to Atlas.
    client, err := mongo.NewClient(options.Client().ApplyURI(mongoURI))
    if err != nil {
        log.Fatal(err)
    }
    if err = client.Connect(ctx); err != nil {
        log.Fatal(err)
    }
    defer client.Disconnect(ctx)

    // Now you can perform database operations as usual.
    database := client.Database("go")
    collection := database.Collection("atlas")
    err = collection.InsertOne(ctx, bson.M{"username": "testuser"})
    if err != nil {
        log.Fatal(err)
    }
}

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Note:

If you encounter a "no reachable servers" error, ensure that:

You are using a valid MongoDB Atlas connection URI with the correct credentials.
You are using a Go driver compatible with MongoDB 3.6 or later.

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