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Generate a REST API Using Java and Spring Boot for your Postgres database

This tutorial will show you how you can generate a Java API for your Postgres database using monstarillo. The API will use Spring Boot and Springdoc to document it. The API will perform CRUD operations on the tables you run it against. Unit tests wil

Jan 06, 2025 pm 10:21 PM

pg-index-health – a static analysis tool for you PostgreSQL database

Hello there! Since 2019, I have been developing an open-source tool called pg-index-health, which analyzes database structures and identifies potential issues. In one of my previous articles, I shared the story of how this tool came to life. Over t

Jan 06, 2025 pm 06:20 PM

Best Dev Stacks to Learn in 5

The tech landscape is constantly evolving, and staying ahead means choosing the right tools and technologies to invest your time in. Whether you're a beginner or a seasoned developer, learning the right stack can open doors to exciting career opportu

Jan 06, 2025 am 10:45 AM

SpringBoot Web Service - Part Github Action

GitHub Actions provide a seamless way to integrate CI/CD into your repository, automating various tasks like running tests, building artifacts, and deploying your project. Workflow for SNAPSHOT This workflow is triggered on non-main branc

Jan 06, 2025 am 06:40 AM

SpringBoot Web Service - Part Preparing Using Spring Initializr

Creating a Service Using Spring Boot and Maven In this post, we'll create a simple service using Spring Boot and Maven. Let's walk through the steps to set up a project and add the necessary dependencies. Step 1: Navigate to start.spr

Jan 06, 2025 am 04:15 AM

SpringBoot Web Service - Part Initial Configuration

In this post, we'll explore how to configure OpenAPI in your Spring Boot application and add a convenient redirection from the root URL to the Swagger UI. This setup will improve your API documentation and make it more accessible to developers.

Jan 06, 2025 am 01:36 AM

Getting Started with Spring Boot or .NET Developers Part Building a Product Entity CRUD Application in Spring Boot

After exploring the basics of Spring Boot 3 in the previous post, let’s dive deeper by implementing a Product entity CRUD (Create, Read, Update, Delete) operation. Along the way, we’ll compare core Spring Boot concepts with their .NET Core counterpar

Jan 05, 2025 pm 03:13 PM

Optimizing Serverless Lambda with GraalVM Native Image

Introduction Following the development of a scalable email-sending service using AWS SES, Spring Boot, and AWS Lambda, I set out to optimize its performance. The focus was to address the cold start latency and memory usage inherent to Java appl

Jan 05, 2025 am 11:49 AM

Building Observability and Monitoring for Modern Applications with Actuator, Prometheus and Grafana

In today’s world of distributed systems and microservices, ensuring our application is observable and monitorable is just as important as building the core functionality. We’ve already set up critical features like a NGINX load balancer, a rate limit

Jan 05, 2025 am 06:15 AM

What Causes a Spring NoSuchBeanDefinitionException and How Can I Resolve It?

What is a NoSuchBeanDefinitionException and how do I fix it?What is a NoSuchBeanDefinitionException?A NoSuchBeanDefinitionException is an...

Jan 05, 2025 am 03:45 AM

Getting Started with Spring Boot or .NET Developers

I have been working with .NET since 2008; however, I recently started working in a team that primarily uses Java as the standard back-end language. Transitioning from .NET to Java can be both exciting and challenging. For this guide, you’ll need s

Jan 05, 2025 am 12:19 AM

How Can Environmental Variables Simplify Spring Boot Database Configuration Across Multiple Environments?

Harnessing Environmental Variables in Spring Boot's Application.propertiesIntroductionWhen developing Spring Boot applications, managing database...

Jan 04, 2025 pm 08:02 PM

ssential Java Observability Tools: Boost Application Performance

As a best-selling author, I invite you to explore my books on Amazon. Don't forget to follow me on Medium and show your support. Thank you! Your support means the world! As a Java developer with years of experience, I've come to appreciate the imp

Jan 04, 2025 pm 06:42 PM

Building Resilient APIs: Mistakes I Made and How I Overcame Them

APIs are the backbone of modern applications. When I first started building APIs with Spring Boot, I was so focused on delivering features that I overlooked one crucial aspect: resilience. I learned the hard way that an API’s ability to gracefully ha

Jan 04, 2025 pm 03:48 PM