How use MongoDB with express JS?

Set up

1. Install Node. js.
2. Install the MongoDB Node. js Driver.
3. Create a free MongoDB Atlas cluster and load the sample data. Next, you’ll need a MongoDB database.
4. Get your cluster’s connection info.
5. Import MongoClient.
6. Create our main function.
7. List the databases in our cluster.
8. Save Your File.

How do I start MongoDB with NPM?

Follow these steps to start MongoDB:

1. Install the MongoDB driver, using npm.
2. Import MongoClient at the top of your file.
3. Create a new MongoClient instance and pass your connection string as a parameter.
4. Connect by using the connect method. For more details, follow this tutorial.

Does MongoDB work with JavaScript?

Although these methods use JavaScript, most interactions with MongoDB do not use JavaScript but use an idiomatic driver in the language of the interacting application. If you do not need to perform server-side execution of JavaScript code, see Disable Server-Side Execution of JavaScript.

How do I create a schema in MongoDB using node JS?

js like this: import mongoose from ‘mongoose’; const Schema = mongoose. Schema; const postSchema = new Schema({ title: { type: ‘String’, required: true }, content: { type: ‘String’, required: true }, slug: { type: ‘String’, required: true } }); let Post = mongoose. model(‘Post’, postSchema);

How do I start MongoDB?

To start MongoDB, run mongod.exe from the Command Prompt navigate to your MongoDB Bin folder and run mongod command, it will start MongoDB main process and The waiting for connections message in the console.

How do I get MongoDB data from node JS?

Using Node. js to query the MongoDB data

1. Connect to the MongoDB database.
2. Have a function that is expecting a string variable and a callback.
3. Search the database for the variable (a specific key of ‘GroupName’)
4. Create a JSON object if successful.
5. Catch the error if not successful.

How do I enable MongoDB?

1. Start MongoDB. Issue the following command to start mongod: sudo service mongod start.
2. Stop MongoDB. As needed, you can stop the mongod process by issuing the following command: sudo service mongod stop.
3. Restart MongoDB. Issue the following command to restart mongod: sudo service mongod restart.

How do I run react and Express on the same port?

You can easily achieve that by setting Express on port 5000 and React on port 3000. Then you will need to declare this “proxy”: “http://localhost:5000”, in your React package. json. You can even run both Express and React simultaneously in one command if you install the package “concurrently”.

https://www.youtube.com/watch?v=vjf774RKrLc