Creating First Spring Boot Project with Spring Initializr

Master Spring Boot Setup in Minutes! Are you looking to dive into Java Backend development but don't know where to start? I’ve just dropped a complete guide on setting up a Spring Boot project from scratch! In this tutorial, I break down: Using Spring Initializr like a pro Choosing the right Java versions (why Java 17 is key!) Adding essential dependencies (Web, JPA, Lombok) Running your first build with Maven Whether you are a student or an intermediate dev looking to refresh your workflow, this video has you covered. Watch the full tutorial here: https://lnkd.in/dhdx7wy3 Useful Resources from the video: Spring Initializr: https://start.spring.io Maven Installation Guide: https://lnkd.in/d3jKsdwn Spring Boot Docs: https://lnkd.in/dKeecXTF Don't forget to Like, Share, and Subscribe to the channel for more "Unshakable" dev content! #SpringBoot #JavaDevelopment #BackendDev #CodingTutorial #SpringFramework #Java17 #Maven #UnshakableDev

🚀 Mastering Spring Boot – Step by Step (Day 6) Ever wondered… 👉 How your Spring Boot project manages dependencies automatically? 🤔 You just add something… and it works. That’s Maven. 💡 What is Maven? Maven is a build tool that helps you: • Manage dependencies • Build your project • Handle project structure ❌ Without Maven: • You manually download JAR files • Manage versions yourself • Deal with dependency conflicts Messy and time-consuming 😵 ✅ With Maven: 👉 Just add dependency in pom.xml 👉 Maven downloads everything automatically 💡 Example: Add Spring Web 👇 Maven brings all required libraries with correct versions 🧠 Simple understanding: Maven = Dependency Manager + Build Tool 📦 If you understand Maven… 👉 Spring Boot setup becomes super easy 🚀 📌 About this series: Follow from Day 0 → Day X to build strong backend fundamentals step by step 🔥 Next → Project Setup (Spring Boot Initialization) ⚙️ #spring #springboot #java #backend #learninginpublic

🚀 Day 3 — Spring vs Spring Boot (Real Difference 🔥) At first, I thought Spring = Spring Boot 🤯 But today I learned something interesting 👇 💡 Spring (Framework) Requires manual configuration Need to setup server (Tomcat) More boilerplate code Slower project setup 💡 Spring Boot (Built on Spring) Auto-configuration ⚡ Embedded server (Tomcat/Jetty) Minimal code & setup Quick project start ⚡ More Important Differences (🔥 Value Add): 👉 Dependency Management Spring → manually add dependencies Spring Boot → uses Starter dependencies (easy) 👉 Configuration Spring → XML / complex config Spring Boot → mostly no config / application.properties 👉 Run Application Spring → deploy WAR on server Spring Boot → run as standalone JAR (just run main method) 👉 Production Ready Spring → need extra setup Spring Boot → built-in features (Actuator, metrics) 👉 Microservices Spring → possible but complex Spring Boot → best for microservices 🏬 Simple Example: Spring = Build everything manually 🏗️ Spring Boot = Ready setup 🚀 📌 Key Takeaways: Spring = base framework Spring Boot = faster development Boot removes configuration pain Boot is widely used in real projects 💡 One line I learned: 👉 Spring Boot = Spring + Speed + Simplicity 💬 Which one do you prefer for projects — Spring or Spring Boot? 👇 Day 3 done ✅ #Spring #SpringBoot #Java #BackendDevelopment #LearningInPublic #30DaysOfCode #Developers

I have just published an updated Raygun Spring Boot starter! It is now built on top of Java 17 and Spring Boot 3.3.x, making it easier to report crashes in modern Spring Boot applications. Simply add the starter dependency, your Raygun API key, and start sending exceptions to Raygun automatically. Check the documentation at https://lnkd.in/g2-85WFv. I challenged myself to move the library to a public domain I own and publishing through the new Maven Central Portal API. I learned about registering and owning a public domain and also adding a DNS TXT record. I especially learned more about Gradle components and variants which I had overlooked for a long time. I gained a much deeper appreciation of Gradle and its amazing features. I have benefited a lot from DomaiNesia, Sonatype, and Gradle Technologies through the software they built and operate. This library is my way of contributing back. I hope everyone can integrate Raygun to Spring Boot faster and more consistent across applications. If you have tried out this library, let's discuss any feedback so that we can make it better for everyone.

🚀 Spring Framework & IoC (Inversion of Control) — Made Simple! When I started learning backend development, one concept that completely changed my thinking was Spring Framework and IoC (Inversion of Control). 🔹 What is Spring Framework? Spring is a powerful Java framework used to build scalable, secure, and production-ready applications. It simplifies development by handling complex tasks like object creation, dependency management, and configuration. 🔹 What is IoC (Inversion of Control)? Normally, we create objects manually in our code. But in Spring, control is inverted — meaning the framework creates and manages objects for us. 👉 Instead of: Car car = new Car(); 👉 Spring does: @Autowired Car car; 💡 Spring automatically injects the object — this is called Dependency Injection (DI). --- 🔥 Real-Life Example: Imagine you go to a restaurant 🍽️ - Without IoC: You go into the kitchen and cook your own food ❌ - With IoC: You just order, and the chef prepares everything for you ✅ 👉 Spring is like that chef — it manages everything behind the scenes! --- 💼 Why it matters for developers? ✔ Cleaner code ✔ Less manual work ✔ Easy to test & maintain ✔ Industry standard for Java backend --- 🎯 Key Takeaway: "Don’t create objects, let Spring manage them for you." --- #SpringBoot #JavaDeveloper #BackendDevelopment #IoC #DependencyInjection #Programming #SoftwareDevelopment #LearningJourney

🚀 Spring Framework 🌱 Spring Boot Cheat Sheet (For Developers Who Want to Build Faster) After working on multiple backend projects, one thing became very clear — 👉 Speed + Simplicity matters. That’s exactly where Spring Boot comes in. Here’s a quick cheat sheet you can save 👇 🔹 What is Spring Boot? A framework that helps you build production-ready applications with minimal configuration. 🔹 Why developers love it: ✔ Auto Configuration ✔ Embedded Server (No external setup) ✔ Starter Dependencies ✔ Clean Architecture 🔹 Project Structure (Best Practice): Controller → Service → Repository → Entity 🔹 Most Used Annotations: 👉 @SpringBootApplication 👉 @RestController 👉 @Service 👉 @Repository 🔹 Key Features to Remember: ✔ Dependency Injection ✔ Microservices Ready ✔ Production-ready with Actuator 🔹 Pro Tips (From Experience): 💡 Always use constructor injection 💡 Keep controllers thin 💡 Use DTO instead of Entity 💡 Handle exceptions globally 🔥 One Line Summary: Spring Boot = Less configuration + Faster development + Scalable apps 💬 What do you find most useful in Spring Boot? #SpringBoot #Java #BackendDevelopment #SoftwareEngineering #Programming #TechCareers

🚀 Spring Framework 🌱 | Day 14 Spring Boot Cheat Sheet (For Developers Who Want to Build Faster) After working on multiple backend projects, one thing became very clear — 👉 Speed + Simplicity matters. That’s exactly where Spring Boot comes in. Here’s a quick cheat sheet you can save 👇 🔹 What is Spring Boot? A framework that helps you build production-ready applications with minimal configuration. 🔹 Why developers love it: ✔ Auto Configuration ✔ Embedded Server (No external setup) ✔ Starter Dependencies ✔ Clean Architecture 🔹 Project Structure (Best Practice): Controller → Service → Repository → Entity 🔹 Most Used Annotations: 👉 @SpringBootApplication 👉 @RestController 👉 @Service 👉 @Repository 🔹 Key Features to Remember: ✔ Dependency Injection ✔ Microservices Ready ✔ Production-ready with Actuator 🔹 Pro Tips (From Experience): 💡 Always use constructor injection 💡 Keep controllers thin 💡 Use DTO instead of Entity 💡 Handle exceptions globally 🔥 One Line Summary: Spring Boot = Less configuration + Faster development + Scalable apps 💬 What do you find most useful in Spring Boot? #SpringBoot #Java #BackendDevelopment #SoftwareEngineering #Programming #TechCareers

🚀 Understanding @ComponentScan vs Spring Boot Auto-Configuration While working on multi-module Spring Boot projects, I recently got a clearer understanding of an important concept: 👉 Why @ComponentScan is not enough in scalable systems In a typical Spring application, we use @ComponentScan to discover beans. It scans packages and registers classes annotated with @Component, @Service, etc. ✔ Works perfectly for small to medium applications. But what happens when your system grows into multiple modules or reusable libraries? ⚠️ The Problem If we rely only on @ComponentScan: The main application must know all package paths Leads to tight coupling Reduces reusability 🔥 The Solution: Auto-Configuration Spring Boot provides a powerful mechanism where a module can register its own configuration automatically. Instead of the main app scanning everything: 👉 The module itself says: “I have these configurations — load them when I’m on the classpath.” Using: 📁 META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports We can make any module: ✔ Plug-and-play ✔ Decoupled ✔ Reusable across projects 🧠 Key Insight @ComponentScan → Main app pulls beans Auto-Configuration → Module pushes configuration 💡 When to Use What? ✅ Use @ComponentScan → Normal applications ✅ Use Auto-Configuration → Reusable modules / internal libraries 📌 Takeaway Auto-configuration is not something we use daily — but it becomes very powerful when building scalable, modular systems. Still learning and exploring deeper into Spring Boot internals 🚀 Would love to hear how others handle shared configurations in large projects! #SpringBoot #Java #BackendDevelopment #SoftwareArchitecture #Microservices #Learning

🚀 Most developers hear “ApplicationContext”… but don’t truly understand it. If you’re using Spring Boot, this is the MOST important concept. Let’s simplify it 👇 👉 What is ApplicationContext? It’s the heart of Spring Boot. A container that: ✔ Creates objects (beans) ✔ Manages their lifecycle ✔ Injects dependencies automatically --- 💡 Example: @Service public class OrderService {} @RestController public class OrderController { private final OrderService orderService; public OrderController(OrderService orderService) { this.orderService = orderService; } } 👉 You never created OrderService manually… right? That’s ApplicationContext doing the magic ✨ --- ⚙️ What actually happens internally? 1️⃣ Spring scans your project 2️⃣ Finds @Service, @Component, etc. 3️⃣ Creates objects (beans) 4️⃣ Stores them in ApplicationContext 5️⃣ Injects them wherever needed --- 🔥 Real-world impact: Without ApplicationContext: ❌ You manually create objects ❌ You manage dependencies yourself ❌ Code becomes tightly coupled With Spring: ✅ Loose coupling ✅ Cleaner code ✅ Easy testing --- 📌 Key Takeaway: ApplicationContext = Brain of Spring Boot Everything revolves around it. Follow for more such deep dives 🚀 #SpringBoot #Java #BackendDevelopment #SoftwareEngineer

Excited to share another milestone in my backend development journey. Today, I worked on an important Spring Boot concept: Configuration Properties using application.properties and @ConfigurationProperties. This concept is widely used in real-world applications because it helps store external configuration such as database credentials, API keys, server settings, and environment-specific values outside the source code. Instead of hardcoding values inside Java classes, Spring Boot allows us to bind properties directly to Java objects in a clean and structured way. What I Implemented: • Created a Spring Boot project with proper package structure • Used application.properties for external configuration • Added database related properties like driver, URL, username, and password • Used @ConfigurationProperties to map properties into a Java class • Used @Component for bean registration • Used @Autowired for dependency injection • Implemented CommandLineRunner to test and print values on application startup Project Flow: • Spring Boot application starts • Properties file gets loaded automatically • Values bind to DatabaseConnection object • Bean injected into runner class • Final output printed successfully in console Key Learning: Externalized configuration makes applications cleaner, flexible, and production-ready. If values change, we update the properties file instead of modifying source code. Why This Matters: In real projects, different environments like development, testing, and production use different configurations. Spring Boot makes this easy to manage without changing business logic. This hands-on practice improved my understanding of how Spring Boot handles configuration internally and why it is preferred for modern backend development. Special thanks to Prasoon Bidua Sir for the guidance and support throughout the learning process. Learning continues. Next target: REST APIs, Database Integration, and Real Projects. #Java #SpringBoot #Spring #ConfigurationProperties #ApplicationProperties #BackendDevelopment #DependencyInjection #Programming #SoftwareDevelopment #CodingJourney #LearningInPublic