export MONGODB_DATABASE_URL=mongodb://USERNAME:PASSWORD@DBHOST:DBPORT/DBNAME Code to connect this way: var DATABASE_URL = process.env.MONGODB_DATABASE_URL || mongodb.DEFAULT_URL; mongo_connect(DATABASE_URL, mongodb_server_options, function(err, db) { if(db && !err) { console.log("...
Node.Js – MongoDB: Connect Your App to the Mongo Database To use MongoDB, you can install it on your machine or use a docker image for local use. You can also use a Database as a Service cloud solution, such as MongoDB Atlas. Until recently, a MongoDB cluster accepted a limited ...
Connecting to MongoDB and Performing Data Manipulation Now it is time to write the code that will allow your Node.js application to connect to MongoDB. Three operations will be covered: connecting, writing, and reading from the database. To be able to execute your code, we will need ...
Create a URL to the MongoDB server. If you use MongoDB locally, the URL will be something like mongodb://localhost:27017, as 27017 is the default port.const url = 'mongodb://localhost:27017' Then use the mongo.connect() method to get the reference to the MongoDB instance client:...
How-To: Node.js and MongoDB on UbuntuPart
Node.js and MongoDB make for a very fast and flexible development experience. Just watch how quickly and easily we can create, read, update, and delete a document in MongoDB with Node.
Node.js ≥v20 installed Planning the migration In this section, we'll migrate the database and queries of a Node.js backend application from Postgres to MongoDB. The application will be a public phonebook app with the following features: User registration and login: Passwords are hashed using...
When you have large set of data in your database to be populated on the web page then you will need to restrict the number of entries to be populated on the page. This can be accomplished by making the query to limit the amount of the documents that comes back from MongoDB per ...
Check if a Collection Exists in MongoDB Using NodeJS To find if a collection exists, we first need to connect with the MongoDB server, and then we need to query like this: dbs.collection("Your_collection_name").find().toArray(function(err, res) { if ( res.length > 0 ) { console...
mongorestore --dbtest-restored /data/test-backup/test Node.js First get the latestnode image: docker pull node:latest To launch the NodeJS container run: docker run -it --rm node This will run the node container and will put you in the interactive shell (REPL) from which you can execu...