How to debug Quarkus applications

In this article, we will learn how to debug a Quarkus application using two popular Development Environments such as IntelliJ Idea and VS Studio. We’ll explore how these IDEs can empower you to effectively identify, understand, and resolve issues within your Quarkus projects.

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Openshift Cheatsheet for DevOps

Whether you’re a beginner exploring OpenShift for the first time or an experienced user looking for quick references, this cheat sheet is designed to provide you with a CheatSheet of OpenShift commands, concepts, and best practices. From managing pods and services to setting up routes and exploring advanced deployment strategies, we’ve got you covered.

Login and Configuration

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How to use a Datasource in Quarkus

This article will teach you how to use a plain Datasource resource in a Quarkus application. We will create a simple REST Endpoint and inject a Datasource in it to extract the java.sql.Connection object. We will also learn how to configure the Datasource pool size.

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Docker-compose: ports vs expose explained

Docker-compose allows you to access container ports in two different ways: using “ports” and “expose:”. In this tutorial we will learn what is the difference between “ports” and “expose:” providing clear examples.

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How to run WildFly on Openshift

This tutorial will teach you how to run WildFly applications on Openshift using WildFly S2I images. At first, we will learn how to build and deploy applications using Helm Charts. Then, we will learn how to use the S2I legacy approach which relies on ImageStreams and Templates.

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Getting started with Quarkus and Hibernate

In this article we will learn how to create and run a sample Quarkus 3 application which uses Hibernate ORM and JPA. We will create a sample REST Endpoint to expose the basic CRUD operations against a relational Database such as PostgreSQL.

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Openshift Interview Questions (2024)

Here is a list of OpenShift interview questions that can help you to prepare for a Cloud Interview where you will discuss about Red Hat OpenShift. OpenShift Architecture OpenShift Installation Openshift configuration What is an OpenShift project and how does it relate to application configuration? Answer: An OpenShift project is a logical unit that enables … Read more

Quarkus vs WildFly Application Server

This article provides a comparison of the features of two popular Java Enterprise Runtimes: WildFly Application Server and Quarkus framework. While both offer robust support for Java applications, their distinct approaches to development, deployment, and scalability cater to diverse use cases. Comparing Quarkus and WildFly. Fair comparison ? Firslty a disclaimer note: Comparing WildFly, a … Read more

WildFly Helm Charts with custom configuration

This article provides a step-by-step guide to deploy WildFly in a Kubernetes environment using Helm Charts and custom application server settings. By the end of it, you will be able to customize effectively your WildFly applications on the cloud using just plan environment variables. Getting Started with Helm Charts and WildFly Helm charts provide a … Read more