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Spring Boot Learning Projects

Welcome to the Spring Boot Learning Projects repository! This collection contains multiple Spring Boot projects, each focusing on different basic concepts such as REST APIs, JDBC, and general Spring Boot fundamentals.

Introduction

This repository is designed for anyone interested in learning Spring Boot. Each project focuses on a specific aspect of Spring Boot to provide a comprehensive learning experience.

Projects

Basic Spring Boot

This project covers the fundamentals of Spring Boot, including application setup, basic configurations, and simple endpoints.

Externalizing configuration

  • Override default settings for production and use command-line switches for testing (e.g., java -jar app.jar --app.message="Command-Test").
  • Command-line properties take precedence unless explicitly disabled (SpringApplication.setAddCommandLineProperties(false)).
  • Use spring.config.name to specify a different base name for your configuration file. For example: 
    java -jar myproject.jar --spring.config.name=myproject
  • Use spring.config.location to specify explicit locations for configuration files 
    java -jar myproject.jar --spring.config.location=classpath:/default.properties,classpath:/override.properties

Spring Boot REST API

In this project, you will learn how to create RESTful web services using Spring Boot. It includes examples of GET, POST, PUT, and DELETE endpoints.