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Showing posts with the label Actuator

🧰 Spring Boot Advanced Features: Security, Testing, and Deployment Strategies

Welcome back to The Code Hut ! 🚀 In this post, we’ll take your Spring Boot skills to the next level — exploring security, testing, and deployment strategies that turn great apps into production-ready systems. 💪 1. 🔒 Spring Security Essentials Spring Security provides powerful authentication and authorization mechanisms out of the box. Authentication: Verifies user identity. Authorization: Grants access to resources based on roles or authorities. Security Filters: Intercept and process requests using a filter chain. // Basic in-memory authentication @Configuration @EnableWebSecurity public class SecurityConfig extends WebSecurityConfigurerAdapter { @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { auth.inMemoryAuthentication() .withUser("admin").password("{noop}password").roles("ADMIN"); } @Override protected void configure(HttpSecurity http) throws Exce...

🚀 Spring Boot Deep Dive: Auto-Configuration, Starters, and 12-Factor Apps

Welcome back to The Code Hut ! ☕ In this post, we explore Spring Boot — the opinionated framework built on top of Spring that makes Java application development faster, cleaner, and production-ready. 💪 1. ⚙️ What Is Spring Boot? Spring Boot is designed to simplify Spring application setup by providing: Auto-Configuration: Automatically configures beans based on the classpath and properties. Starters: Predefined dependencies for common use cases. Embedded Servers: No need for WAR files — run with java -jar . Production Readiness: Actuator, metrics, health checks, and logging. 2. 🌟 Auto-Configuration in Depth Spring Boot uses Auto-Configuration to detect what you need based on your dependencies and environment. For example, if spring-boot-starter-web is present, it automatically configures: Tomcat (as embedded server) DispatcherServlet Jackson for JSON processing @SpringBootApplication public class MyApp { public static void main(String[] a...