November 2024 – Natan Code

How to create a Docker Image using maven?

Creating Docker images using Maven is essential to integrate the containerization process directly into the application’s build and deployment pipeline, offering significant benefits for developers and DevOps teams. Let’s see how to create a Docker image with Maven in Spring. This post is a continuation of the previous one; if you have any questions, feel…

How to build application image with Dockerfile?

Since this is a Java application, I need to use an image that can run a Java application. We need the Dockerfile and to use the OpenJDK base image. This Dockerfile is a recipe for building a Docker image that runs a Java application. Each instruction in the Dockerfile has a specific purpose. Let’s go…

How to handle exceptions in Spring?

Exception handling in APIs is essential to ensure clear and efficient communication between the server and client, preventing unexpected interruptions and enhancing the user experience. By properly handling exceptions, the API can return user-friendly and informative error messages, making it easier to identify and resolve issues. Additionally, this practice improves the application’s security and robustness,…

How do Spring IoC and Dependency Injection work?

Before discussing how Inversion of Control (IoC) and Dependency Injection (DI) work in Spring, it’s essential to understand what each of them means. If you have any questions, check out this post where I cover these two very important concepts. Spring has a container that manages Beans. Beans are objects managed by the Spring container…