#nodejs mongoose

[codeonedigest]

Run Nodejs Microservices in Docker Container | Deploy MongoDB in Docker ... Full Video Link      https://youtu.be/ltNr8Meob4g         Hello friends, new #video on #nodejs #microservices in #docker #container with #mongodb in #docker #container #tutorial for #api #developer #programmers with #examples is published on #codeonedigest #youtube channel.  @java #java #aws #awscloud @awscloud @AWSCloudIndia #salesforce #Cloud #CloudComputing @YouTube #youtube #azure #msazure  #codeonedigest @codeonedigest #docker #dockertutorial #whatisdocker #learndocker #dockercontainer #nodejsmicroservice #nodejsmicroservicestutorial #nodejsmicroserviceexample #nodejsmicroserviceproject #nodejsmicroservicearchitecture #microservicemongo #nodejsmicroservicemongodb #nodejsmicroservicedocker #mongodbdocker #dockermongodb #nodejsmongoose #nodejsexpress #dockermicroservices #dockermicroservicesnodejs #dockermicroservicestutorial #dockermicroserviceexample #mongodb

[asadmukhtarr]

The MERN stack (MongoDB, Express.js, React.js, Node.js) is a powerful combination of technologies for building modern, full-stack web applications using JavaScript. A CRUD (Create, Read, Update, Delete) app is a basic yet essential application structure for handling data in web development. In this guide, we will walk through the process of building a simple CRUD app using the MERN stack, where users can create, read, update, and delete records in a database.

By the end of this tutorial, you'll understand how to set up the backend and frontend of a MERN stack application, create API endpoints, connect the app to a MongoDB database, and build an interactive user interface with React

[satendra-rajput]

🚀 Day 2: Understanding Angular Architecture 🛠️

Today, we're diving into the core of Angular: Modules, Components, and Services. Understanding these building blocks is crucial for mastering Angular development.

[mak1210]

Prisma Vs Mongoose

When working with MongoDB in Node.js applications, developers often choose between Prisma and Mongoose. Both are powerful tools, but they cater to different needs and offer unique features…

[sudarshanvis]

Flutter Chat App Nodejs App Tutorial + Mongodb + Socket | devhubspot

[gocodesolution]

Flutter Chat App Nodejs App Tutorial + Mongodb + Socket | devhubspot

[web-search-development]

Mongoose npm for nodejs 2023

Mongoose is a widely-used Node.js library that provides a straightforward and elegant way to interact with MongoDB, a popular open-source NoSQL database. Developed to simplify database management and streamline interactions between applications and MongoDB, Mongoose offers an object modeling system that enables developers to define schemas, validate data, and perform CRUD (Create, Read, Update, Delete) operations with ease. Read More..

[full-stack1]

Certainly! Let’s explore how to build a full-stack application using Node.js. In this comprehensive guide, we’ll cover the essential components and steps involved in creating a full-stack web application.

Building a Full-Stack Application with Node.js, Express, and MongoDB

1. Node.js: The Backbone of Our Application

Node.js is a runtime environment that allows us to run JavaScript on the server-side.

It’s built on Chrome’s V8 JavaScript engine and uses an event-driven, non-blocking I/O model, making it lightweight and efficient.

Node.js serves as the backbone of our application, providing the environment in which our server-side code will run.

2. Express.js: Simplifying Server-Side Development

Express.js is a minimal and flexible Node.js web application framework.

It provides a robust set of features for building web and mobile applications.

With Express.js, we can:

Set up middlewares to respond to HTTP requests.

Define routing rules.

Add additional features like template engines.

3. MongoDB: Storing Our Data

MongoDB is a document-oriented database program.

It uses JSON-like documents with optional schemas and is known for its flexibility and scalability.

We’ll use MongoDB to store our application’s data in an accessible and writable format.

Building Our Full-Stack Application: A Step-by-Step Guide

Setting Up the Environment:

Install Node.js:sudo apt install nodejs

Initialize a new Node.js project:mkdir myapp && cd myapp npm init -y

Install Express.js:npm install express

Creating the Server:

Create a basic Express server:const express = require('express'); const app = express(); const port = 3000; app.get('/', (req, res) => { res.send('Hello World!'); }); app.listen(port, () => { console.log(`Server running at http://localhost:${port}`); });

Defining Routes:

Define routes for different parts of our application:app.get('/user', (req, res) => { res.send('User Page'); });

Connecting to MongoDB:

Use Mongoose (a MongoDB object modeling tool) to connect to MongoDB and handle data storage.

Remember, this is just the beginning! Full-stack development involves frontend (client-side) work as well. You can use React, Angular, or other frontend libraries to build the user interface and connect it to your backend (Node.js and Express).

Feel free to explore more about each component and dive deeper into building your full-stack application! 😊 12

[hindintech]

You can learn NodeJS easily, Here's all you need:

1.Introduction to Node.js

• JavaScript Runtime for Server-Side Development

• Non-Blocking I/0

2.Setting Up Node.js

• Installing Node.js and NPM

• Package.json Configuration

• Node Version Manager (NVM)

3.Node.js Modules

• CommonJS Modules (require, module.exports)

• ES6 Modules (import, export)

• Built-in Modules (e.g., fs, http, events)

4.Core Concepts

• Event Loop

• Callbacks and Asynchronous Programming

• Streams and Buffers

5.Core Modules

• fs (File Svstem)

• http and https (HTTP Modules)

• events (Event Emitter)

• util (Utilities)

• os (Operating System)

• path (Path Module)

6.NPM (Node Package Manager)

• Installing Packages

• Creating and Managing package.json

• Semantic Versioning

• NPM Scripts

7.Asynchronous Programming in Node.js

• Callbacks

• Promises

• Async/Await

• Error-First Callbacks

8.Express.js Framework

• Routing

• Middleware

• Templating Engines (Pug, EJS)

• RESTful APIs

• Error Handling Middleware

9.Working with Databases

• Connecting to Databases (MongoDB, MySQL)

• Mongoose (for MongoDB)

• Sequelize (for MySQL)

• Database Migrations and Seeders

10.Authentication and Authorization

• JSON Web Tokens (JWT)

• Passport.js Middleware

• OAuth and OAuth2

11.Security

• Helmet.js (Security Middleware)

• Input Validation and Sanitization

• Secure Headers

• Cross-Origin Resource Sharing (CORS)

12.Testing and Debugging

• Unit Testing (Mocha, Chai)

• Debugging Tools (Node Inspector)

• Load Testing (Artillery, Apache Bench)

13.API Documentation

• Swagger

• API Blueprint

• Postman Documentation

14.Real-Time Applications

• WebSockets (Socket.io)

• Server-Sent Events (SSE)

• WebRTC for Video Calls

15.Performance Optimization

• Caching Strategies (in-memory, Redis)

• Load Balancing (Nginx, HAProxy)

• Profiling and Optimization Tools (Node Clinic, New Relic)

16.Deployment and Hosting

• Deploying Node.js Apps (PM2, Forever)

• Hosting Platforms (AWS, Heroku, DigitalOcean)

• Continuous Integration and Deployment-(Jenkins, Travis CI)

17.RESTful API Design

• Best Practices

• API Versioning

• HATEOAS (Hypermedia as the Engine-of Application State)

18.Middleware and Custom Modules

• Creating Custom Middleware

• Organizing Code into Modules

• Publish and Use Private NPM Packages

19.Logging

• Winston Logger

• Morgan Middleware

• Log Rotation Strategies

20.Streaming and Buffers

• Readable and Writable Streams

• Buffers

• Transform Streams

21.Error Handling and Monitoring

• Sentry and Error Tracking

• Health Checks and Monitoring Endpoints

22.Microservices Architecture

• Principles of Microservices

• Communication Patterns (REST, gRPC)

• Service Discovery and Load Balancing in Microservices

[phonegap]

How to Learn NodeJS as a Django Developer?

If you're a Django developer looking to expand your skill set and delve into the world of Node.js, you're in for an exciting journey. Node.js is a powerful runtime environment that allows you to build scalable, high-performance applications using JavaScript on both the client and server sides. Learning Node.js alongside your Django expertise can open up a wide range of possibilities and career opportunities. Here's how you can get started:

1. Understand the Basics of JavaScript: Since both Node.js and client-side JavaScript use the same language, start by mastering JavaScript fundamentals. Get comfortable with variables, data types, loops, and functions. This strong foundation will make transitioning to Node.js smoother.

2. Explore Node.js Fundamentals: Familiarize yourself with Node.js core modules, its event-driven architecture, and the npm (Node Package Manager). Learn how to create a simple server, handle HTTP requests, and work with asynchronous operations, which are essential in Node.js development.

3. Build RESTful APIs: Django developers often work with RESTful APIs. Node.js excels in creating APIs as well. Learn how to create APIs using frameworks like Express.js, which simplifies the process of building robust and scalable APIs.

4. Database Integration: Just like Django's ORM, Node.js has libraries and frameworks (such as Mongoose for MongoDB) for working with databases. Learn how to connect, query, and manage databases in Node.js.

5. Authentication and Authorization: Study authentication and authorization techniques in Node.js. This knowledge will be valuable when building secure applications.

6. Real-time Applications: Node.js is renowned for its real-time capabilities. Explore technologies like WebSockets and Socket.io to build real-time features in your applications.

7. Testing and Debugging: Node.js has a robust ecosystem for testing and debugging. Learn how to write unit tests, perform integration testing, and debug effectively.

8. Scalability and Deployment: Node.js is well-suited for building scalable applications. Understand concepts like clustering and load balancing. Learn how to deploy Node.js applications to platforms like Heroku or AWS.

9. Explore Frameworks: Just as Django is built on Python, Node.js has various frameworks. Consider diving into frameworks like Express.js, Nest.js, or Meteor.js to streamline your development process.

10. Projects and Practice: The best way to learn Node.js is through hands-on projects. Start with small projects and gradually work your way up to more complex applications. Building a portfolio of Node.js projects will demonstrate your skills to potential employers or clients.

By combining your Django expertise with Node.js, you'll become a versatile full-stack developer, capable of creating a wide range of web applications and services. Embrace the learning process, stay curious, and enjoy the journey of mastering Node.js as a Django developer.

[eov-blogs]

Simplifying Database management in NodeJS using ORM

What is ORM in Node.js? 

ORM (Object Relational Models) is a way of mapping of relational database systems to objects. Various database systems access data in various ways, and ORM makes it simpler for us to maintain objects even when the sources and apps they access change over time.     

By using ORM, data migration between databases can be streamlined and seamless. ORM maintains objects despite changes in the apps and sources of database access, since different database systems access data in different ways. 

What are the benefits of using an ORM? 

Simplified Database Interaction: One of the primary advantages of Node.js ORM is the abstraction it provides over raw SQL queries. Developers can work with a higher-level, object-oriented syntax that closely resembles the application’s programming language, making it easier to read, write, and maintain database-related code. 

Cross-Database Compatibility: Node.js ORM frameworks often support multiple database systems, such as MySQL, PostgreSQL, SQLite, and more. This cross-database compatibility allows developers to switch between databases or even migrate their applications to a different database system without significant changes to the codebase.  

Model-Driven Development: ORM frameworks promote the use of data models to represent database tables and their relationships. By defining these models, developers can work with entities in the application code that closely mirror the database structure. 

Data Validation and Transformation: ORM frameworks often include built-in validation and transformation mechanisms. Developers can define rules and constraints on data fields, ensuring that only valid and consistent data is stored in the database.

Database Migration Management: ORM frameworks usually provide tools for managing database schema changes and migrations. This is especially beneficial when the application evolves and requires modifications to the database structure. 

Optimized Query Generation: ORM generate efficient SQL queries tailored to the specific database system, optimizing performance and minimizing the risk of common performance pitfalls. 

Code Reusability: With ORM frameworks, developers can encapsulate database-related logic within reusable functions or methods. This leads to cleaner and more modular code, allowing developers to easily share and reuse database interaction components across different parts of the application. 

Testing and Mocking: ORM frameworks facilitate unit testing by providing mockable interfaces for database interactions. Developers can write tests without needing to connect to a live database, making the testing process faster, more predictable, and less dependent on external resources.  

What are the steps to integrate an ORM in NodeJS? 

Initialize Your Node.js Project (if not done already): 

If you haven’t already set up a Node.js project, navigate to your project’s root directory using your terminal and run the following command to initialize a new Node.js project: 

npm init 

Follow the prompts to configure your project settings and create a package.json file. 

Choose an ORM: 

Decide which ORM you want to use for your project. Some popular ORM frameworks for Node.js include Sequelize, Mongoose, TypeORM, and Bookshelf. Research each ORM to determine which one best fits your project’s requirements. 

Install the Chosen ORM Package: 

Once you’ve selected an ORM, you can install the corresponding npm package. Use the following command to install the package globally (recommended for global CLI tools) or locally (recommended for most projects): 

# To install globally 

npm I -g orm-package-name 

# To install locally 

npm i orm-package-name 

Configure the ORM: 

ORM frameworks usually require some configuration to connect to your database. Create a configuration file (e.g., config.js or database.js) in your project and specify the database connection details such as host, port, username, password, and database name. In Sequelize it is done like this- 

const Sequelize = require(“sequelize”); 

const sequelize = new Sequelize( 

 ‘hello_world_db’, 

 ‘DATABASE_USERNAME’, 

 ‘DATABASE_PASSWORD’, 

  { 

    host: ‘DATABASE_HOST’, 

    dialect: ‘mysql’ 

  } 

); 

Import and Initialize the ORM: 

In your Node.js application code, import the installed ORM package and initialize it using the configuration you’ve set up. This step may involve creating an instance of the ORM’s main class and passing the configuration as parameters. For example to import Sequelize ORM we use the following command :- 

sequelize.authenticate().then(() => { 

   console.log(‘Connection has been established successfully.’); 

}).catch((error) => { 

   console.error(‘Unable to connect to the database: ‘, error); 

}); 

Define Models: 

Define your data models using the ORM’s syntax. Models represent database tables and their relationships. This step involves creating classes or objects that map to database tables, specifying fields, data types, and relationships between tables. In Sequelize we define models as given in code below:-  

const Book = sequelize.define(“books”, { 

   title: { 

     type: DataTypes.STRING, 

     allowNull: false 

   }, 

   author: { 

     type: DataTypes.STRING, 

     allowNull: false 

   }, 

   release_date: { 

     type: DataTypes.DATEONLY, 

   }, 

   subject: { 

     type: DataTypes.INTEGER, 

   } 

}); 

Interact with the Database: 

With your models and database connection set up, you can now start interacting with the database using the ORM’s methods. This might include querying, inserting, updating, and deleting records using the model objects you’ve defined. 

sequelize.sync().then(() => { 

   console.log(‘Book table created successfully!’); 

   Book.create({ 

       title: “Clean Code”, 

       author: “Robert Cecil Martin”, 

       release_date: “2021-12-14”, 

       subject: 3 

   }).then(res => { 

       console.log(res) 

   }).catch((error) => { 

       console.error(‘Failed to create a new record : ‘, error); 

   }); 

}).catch((error) => { 

   console.error(‘Unable to create table : ‘, error); 

}); 

Handle Errors and Monitor Performance: 

As you work with the ORM, make sure to handle errors gracefully and optimize your queries for performance. The ORM’s documentation should provide guidance on error handling and query optimization. 

Test and Refine: 

Test your application thoroughly to ensure that the ORM integration is working as expected. Use testing frameworks and tools to write unit and integration tests for your database interactions. Refine your code based on testing results and feedback. 

Conclusion 

An ORM is ideal and suitable for beginner web developers or small-scale projects. Since there is no ORM that solves all your problems, the best ORM is the ORM that is most suitable for your application need. 

In summary, use ORM to achieve code standardization, security, maintainability, language abstraction, DRY, etc. 

[codeonedigest]

Part2 | Create Book Store Microservices with MongoDB using Nodejs Expres... Full Video Link       https://youtu.be/DhtvZy7k-bgHello friends, new #video on #code implementation #coding #tutorial of #nodejs #microservices with #mongodb for #api #developer #programmers with #examples is published on #codeonedigest #youtube channel.  @java #java #aws #awscloud @awscloud @AWSCloudIndia #salesforce #Cloud #CloudComputing @YouTube #youtube #azure #msazure    #nodejsmicroservice #nodejsmicroservicestutorial #nodejsmicroservicearchitecture #nodejsmicroserviceproject #nodejsmicroserviceexample #nodejsmicroservicesinterviewquestions #nodejsmicroserviceframework #mongodb #nodejsmongodbtutorial #nodejsmongoose #nodejsmongooseconnection #nodejsmongooseexpress #nodejsmongooseschema #nodejsmongodb #nodejsmongodb #nodejsexpress #nodejsexpressapitutorial #nodejsexpressproject #nodejsexpressapi #nodejsexpressapiproject #nodejsexpresstutorial #nodejsexpresscourse #nodejsexpressrestapi #nodejsexpresscrashcourse #nodejsexpressapplication 

[devstack06]

Created a video series for blog app development both backend and frontend using (flutter, express js, nodejs and mongodb)

[nodejsus]

Connecting a Node Application to MongoDB Using Mongoose https://morioh.com/p/4fc1b6e2a618?f=5c21fb01c16e2556b555ab32  #morioh #mongodb #nodejs #mongoose #webdevelopment

[tutorials-website]

Edit Records with onclick event on entire row or column using Nodejs and...