Nodejs

Series Overview This is Part 1 of a complete series where we’ll build a production-ready RESTful API from scratch. By the end, you’ll have: A fully functional REST API with CRUD operations User authentication with JWT MongoDB database integration Input validation and error handling API documentation with Swagger Comprehensive testing Docker containerization Deployment on Render/Railway What We’re Building A Task Management API that supports: User registration and authentication Creating, reading, updating, and deleting tasks Filtering and pagination Role-based access control Prerequisites Node.js 18+ installed MongoDB account (we’ll use MongoDB Atlas free tier) Basic JavaScript knowledge Code editor (VS Code recommended) Part 1: Project Setup and Foundation Let’s get our development environment ready and create the project structure. ...

Problem When running npm install -g to install packages globally, you encounter: 1 2 3 4 5 npm ERR! code EACCES npm ERR! syscall access npm ERR! path /usr/local/lib/node_modules npm ERR! errno -13 npm ERR! Error: EACCES: permission denied Root Cause npm tries to install global packages in system directories that require elevated permissions. Using sudo works but creates security risks and file ownership issues. Solution Option 1: Change npm’s Default Directory (Recommended) Create a directory for global installations: 1 mkdir ~/.npm-global Configure npm to use the new directory: 1 npm config set prefix '~/.npm-global' Add the new directory to your PATH: For bash users, add to ~/.bashrc or ~/.bash_profile: ...