Category: 01. Express Js

Microservices architecture involves splitting an application into smaller, independent services. This tutorial covers how to build microservices using Express.js. You’ll learn how to design and implement microservices, handle inter-service communication (e.g., using REST or message queues), and manage service discovery and load balancing. The tutorial will include examples of creating and deploying microservices and discussing…

File uploads are a common feature in many web applications. This tutorial explores how to handle file uploads using Express.js. You’ll learn how to use middleware like multer to handle multipart/form-data, process and validate uploaded files, and manage file storage (either locally or using cloud storage solutions like AWS S3). The tutorial will demonstrate how…

Many modern web applications use front-end frameworks in conjunction with Express.js. This tutorial shows how to integrate Express.js with a front-end framework like React or Vue.js. You’ll learn how to set up a full-stack application where Express.js serves as the backend API and the front-end framework handles the client-side rendering. The tutorial will cover routing,…

TypeScript adds static typing to JavaScript, which can improve code quality and maintainability. This tutorial guides you through setting up an Express.js project with TypeScript. You’ll learn how to configure TypeScript with ts-node, define type definitions for Express middleware and routes, and leverage TypeScript features to write robust and type-safe code. The tutorial will include…

Docker can simplify deployment by containerizing your application. This tutorial explains how to use Docker to package and deploy your Express.js application. You’ll learn how to create a Dockerfile to define your application environment, build Docker images, and run containers. The tutorial will also cover setting up Docker Compose for managing multi-container applications and deploying…

User authentication and authorization are critical for securing applications. This tutorial focuses on implementing user authentication in Express.js using various strategies, such as session-based authentication with cookies or token-based authentication with JWT (JSON Web Tokens). You’ll learn how to create login and registration endpoints, handle password hashing (using bcrypt), and manage user sessions. Additionally, you’ll…

GraphQL offers a flexible and efficient way to query and manipulate data. This tutorial covers how to set up a GraphQL server using Express.js and apollo-server-express. You’ll learn how to define GraphQL schemas, create resolvers, and integrate with databases or other data sources. The tutorial will include building a sample GraphQL API, explaining the query…

If your application needs to support multiple languages and regions, internationalization (i18n) and localization (l10n) are crucial. This tutorial demonstrates how to implement i18n and l10n in an Express.js application. You’ll learn how to use libraries like i18next or polyglot, configure language detection, and manage translation files. The tutorial will guide you through creating a…

Performance is key to delivering a smooth user experience. This tutorial explores techniques for optimizing your Express.js application. Topics include caching strategies (using middleware like apicache), optimizing middleware performance, and using tools like pm2 for process management. You’ll also learn about profiling your application to identify bottlenecks and applying best practices for improving response times…

Real-time applications, such as chat apps or live notifications, require bidirectional communication between the server and client. This tutorial focuses on integrating Socket.io with Express.js to achieve real-time functionality. You’ll learn how to set up a Socket.io server, handle events and messages, and implement real-time features in your application. The tutorial may include building a…