Jeroen Reijn

CORE

Cloud Solutions Architect at Luminis

Halfweg, NL

Joined May 2009

https://www.jeroenreijn.com

About

Coder and architect at Luminis. Passionate about software engineering and engineering culture.

Stats

Reputation:	566
Pageviews:	132.9K
Articles:	13
Comments:	3

Articles
Comments

Articles

My Journey With AWS CDK and Java: What You Need To Know

Learn how Java is a very viable option when working with the AWS CDK, especially for workload teams already familiar with the language and its ecosystem.

September 4, 2024

· 7,871 Views · 4 Likes

Analyze and Debug Quarkus-Based AWS Lambda Functions With X-Ray

Use Quarkus and AWS X-Ray with Jakarta CDI Interceptors to keep your code clean.

April 13, 2024

· 3,613 Views · 3 Likes

Develop and Test Your GitHub Actions Workflow Locally With Act

This post discusses the use of act, a command-line utility that allows developers to test and develop GitHub Actions workflows locally.

July 5, 2023

· 6,258 Views · 6 Likes

Improve AWS Security and Compliance With CDK-nag?

AWS Cloud Development Kit (AWS CDK) is a powerful tool that allows developers to define cloud infrastructure in code using familiar programming languages.

April 14, 2023

· 4,930 Views · 2 Likes

Lessons Learned From Picking a Java Driver for Amazon ElastiCache for Redis - Part 2

In this post, I’ll share some of the lessons learned from switching to Lettuce as the driver for our Java-based application.

April 11, 2023

· 3,477 Views · 1 Like

Lessons Learned from Picking a Java-Based Driver for Amazon ElastiCache for Redis: Part 1

In this article, readers will learn about lessons I learned from picking a Java-based driver for Amazon ElastiCache for Redis with visuals and helpful code.

February 10, 2023

· 6,700 Views · 2 Likes

Invoking an AWS Lambda Function During a CDK Deployment

Custom Resources in AWS CDK are powerful and give you much flexibility. You can leverage the Provider framework when you need more than a single API call.

Updated July 20, 2022

· 3,627 Views · 1 Like

AWS Lambda Provisioned Concurrency AutoScaling Configuration With AWS CDK

This article presents a quick intro to provisioned concurrency scaling and strategies.

July 14, 2022

· 4,124 Views · 1 Like

Creating a Simple API Stub With API Gateway and S3

This post shows a nice way of using Mapping Templates in API Gateway to transform the path and create a simple stub.

June 3, 2022

· 5,221 Views · 1 Like

Monitoring Spring Boot Applications With Prometheus and Grafana

At my current project we've been building three different applications. All three applications are based on Spring Boot, but have very different workloads. T...

February 1, 2021

· 13,885 Views · 7 Likes

Useful Tools for Local Development With AWS Services

Over the last 2.5 years, I've been working with AWS and a wide range of its services. In this post, I'll describe some of the tools that I use.

January 30, 2021

· 10,676 Views · 3 Likes

Running Cucumber From the Command Line

Learn the steps and conditions for running the Cucumber automated testing tool from the command line in this quick walkthrough.

November 1, 2017

· 35,270 Views · 2 Likes

Fix the Slow Startup Time of My Java Application Running on macOS Sierra

When I started an app with IntelliJ, it always took more than 60 seconds to start the deployed app. No one bothered to examine why, so I took the 30 minutes to do it.

May 12, 2017

· 15,811 Views · 5 Likes

Comments

Useful Tools for Local Development With AWS Services

Jun 28, 2021 · Jeroen Reijn

I don't have one on github available right now. Only in a project for which the code I can't really share.

Running Cucumber From the Command Line

Nov 17, 2018 · Jeroen Reijn

Have you checked that the libraries within your classpath exist and did you surround them with quotes? Perhaps you can paste your command here?

Running Cucumber From the Command Line

Dec 15, 2017 · Jeroen Reijn

Your step definition classes need to be on the classpath. It requires the compiled classes and you only need to specify the java package in which they reside within the --glue parameter. What does your command line look like and did you point to the correct package?