Cloud Software Tutorials
Learn how to build cloud software, APIs, and applications with our comprehensive tutorials covering REST APIs, GraphQL, microservices, mobile apps, and cloud platforms.
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Overview In this tutorial, we'll build a complete todo application that uses REST APIs to communicate with a cloud backend. This will demonstrate how to integrate APIs into a real-world application. ...
Rust Overview Rust is a systems programming language focused on safety, speed, and concurrency, perfect for building high-performance APIs. Setting Up Rust API # Install Rust curl --proto '=http...
Express.js Setup Express is a minimal and flexible Node.js web application framework that provides a robust set of features for building APIs. Basic Express Server const express = require('expres...
Why Laravel? Laravel is a powerful PHP framework that makes building APIs fast and elegant with built-in features like authentication, validation, and database migrations. Creating Laravel API Pro...
Why Redis? Redis is an in-memory data store that can dramatically improve API performance by caching frequently accessed data. Setting Up Redis # Install Redis client npm install redis # Star...
What is Kubernetes? Kubernetes (K8s) is an open-source container orchestration platform that automates deployment, scaling, and management of containerized applications. Deployment Configuration ...
REST Principles REST (Representational State Transfer) is an architectural style for designing web services. Follow these principles for well-designed APIs. 1. Use Proper HTTP Methods GET /api...
What is Serverless? Serverless computing allows you to build and run applications without managing servers. AWS Lambda executes your code in response to events and automatically manages the compute r...
Introduction to REST APIs REST (Representational State Transfer) APIs are the backbone of modern web applications. They allow different applications to communicate with each other over HTTP. What ...
What are Microservices? Microservices architecture breaks down applications into small, independent services that communicate via APIs. Each service handles a specific business function. Architect...
Introduction to Swift Swift is Apple's powerful programming language for iOS, macOS, watchOS, and tvOS. Learn how to build iOS apps that integrate with cloud APIs. Setting Up Swift Project // Vie...
Apollo Server Setup Apollo Server is the most popular GraphQL server implementation, providing excellent tooling and performance. Basic Apollo Server const { ApolloServer, gql } = require('apollo...
Why Authentication Matters APIs need authentication to protect sensitive data and prevent unauthorized access. JWT (JSON Web Tokens) is a popular authentication method. Setting Up JWT Authenticati...
Android Development Setup Learn how to build Android applications in Java that connect to cloud APIs and services. Adding Dependencies // build.gradle (Module: app) dependencies { implement...
Simple PHP API Learn how to build REST APIs using pure PHP without frameworks, giving you full control over your code. Basic API Structure // api.php header('Content-Type: application/json'); h...
Django REST Framework Django REST Framework (DRF) is a powerful toolkit for building Web APIs in Django. Setting Up Django Project # Install Django and DRF pip install django djangorestframework...
SwiftUI Overview SwiftUI is Apple's modern UI framework for building declarative user interfaces across all Apple platforms. Basic SwiftUI View import SwiftUI struct ContentView: View { @...
Introduction Most modern apps integrate with third-party APIs to add functionality. In this tutorial, we'll build a weather app using a public weather API. Choosing an API Popular weather APIs: ...
React Native Overview React Native lets you build mobile apps using JavaScript and React, sharing code between iOS and Android. Setting Up React Native # Install React Native CLI npm install -g ...
FastAPI Features FastAPI is a modern Python web framework for building APIs with automatic documentation, type validation, and high performance. Basic FastAPI App from fastapi import FastAPI fro...
ASP.NET Core Setup ASP.NET Core is a cross-platform, high-performance framework for building modern APIs. Creating Web API # Create new API project dotnet new webapi -n MyApi # Run the applic...
Rails API Setup Ruby on Rails provides convention over configuration, making API development fast and efficient. Creating Rails API # Create new Rails API rails new my_api --api # Generate sc...
Go HTTP Server Go is known for its simplicity, performance, and excellent concurrency support. Basic HTTP Server package main import ( "encoding/json" "net/http" "github.com/gor...
TypeScript Setup TypeScript adds static typing to JavaScript, improving code quality and developer experience. Type Definitions interface User { id: number; name: string; email: st...
Symfony Overview Symfony is a PHP framework that provides reusable components and tools for building robust APIs. Creating Symfony Project # Install Symfony composer create-project symfony/skele...
Vapor Framework Vapor is a web framework for Swift that allows you to build server-side applications and APIs. Setting Up Vapor # Install Vapor CLI brew install vapor/tap/vapor # Create new p...
Spring Boot Overview Spring Boot makes it easy to create stand-alone, production-grade Spring-based applications. Controller Example @RestController @RequestMapping("/api/users") public class U...
What is Deno? Deno is a secure runtime for JavaScript and TypeScript, built on V8 and Rust, with built-in TypeScript support. Basic Deno Server import { serve } from "https://deno.land/std@0.168....
Bun Overview Bun is an incredibly fast JavaScript runtime, bundler, and package manager built with Zig. Basic Bun Server // server.ts export default { port: 3000, fetch(request: Reques...
Kotlin and Ktor Kotlin is a modern programming language that runs on the JVM, and Ktor is a framework for building asynchronous servers. Ktor Setup // build.gradle.kts dependencies { implem...
Why Go for APIs? Go (Golang) is known for its simplicity, performance, and excellent concurrency support, making it ideal for building high-performance APIs. Basic HTTP Server package main imp...
Why Rate Limiting? Rate limiting protects your API from abuse, ensures fair usage, and prevents server overload. It's essential for production APIs. Implementing Rate Limiting const express = req...
Project Overview We'll build a complete full-stack application with React frontend and Node.js/Express backend, demonstrating how to connect frontend and backend through APIs. Backend Setup // ba...
Why Document APIs? Good API documentation helps developers understand and use your API effectively. Swagger/OpenAPI provides a standard way to document REST APIs. Installing Swagger npm install s...
Introduction Learn how to build a real-time chat application using Socket.io, a library that enables real-time, bidirectional communication between web clients and servers. Server Setup const exp...
What is GraphQL? GraphQL is a query language for APIs that allows clients to request exactly the data they need. Unlike REST, GraphQL uses a single endpoint and lets clients specify their data requir...
Introduction to Flask Flask is a lightweight Python web framework perfect for building REST APIs. It's simple, flexible, and easy to get started with. Setting Up Flask # Install Flask pip instal...
What are PWAs? Progressive Web Apps combine the best of web and mobile apps. They work offline, can be installed on devices, and provide app-like experiences. Service Worker Setup // sw.js const...
Why Test APIs? Testing ensures your API works correctly, handles errors properly, and maintains quality as you add new features. Writing API Tests const request = require('supertest'); const app...
Why TypeScript? TypeScript adds static typing to JavaScript, catching errors at compile time and improving code quality. Type Definitions export interface User { id: number; name: string; ...
Introduction to WebSockets WebSockets provide full-duplex communication channels over a single TCP connection, enabling real-time data exchange between client and server. Setting Up WebSocket Serv...
What is Docker? Docker allows you to package your application and its dependencies into containers, ensuring consistent behavior across different environments. Creating a Dockerfile # Use Node.js...
Introduction Learn how to build a mobile application that connects to cloud APIs. We'll use React Native to create a cross-platform app that fetches data from a cloud backend. Project Setup # Ins...
What is CI/CD? Continuous Integration/Continuous Deployment automates testing and deployment of your code, ensuring quality and faster releases. GitHub Actions Workflow # .github/workflows/ci-cd....
Why FastAPI? FastAPI is a modern Python web framework for building APIs with automatic API documentation, type validation, and high performance. Basic FastAPI Application from fastapi import Fast...
Why Rails for APIs? Ruby on Rails provides convention over configuration, making it easy to build RESTful APIs quickly with built-in best practices. Creating a Rails API # Create new Rails API r...
Introduction to ASP.NET Core ASP.NET Core is a cross-platform, high-performance framework for building modern APIs and web applications. Creating a Web API Project # Create new API project dotne...
Why MongoDB? MongoDB is a NoSQL database that stores data in flexible, JSON-like documents, making it perfect for modern API development. Setting Up MongoDB # Install MongoDB driver npm install ...
Why PostgreSQL? PostgreSQL is a powerful, open-source relational database with excellent JSON support and advanced features. Setting Up PostgreSQL # Install pg driver npm install pg # Or use ...
Project Overview We'll build a complete e-commerce API with products, cart, and orders. This demonstrates how to structure a real-world cloud application. Database Schema // Product Schema const...