Author Archives: Pascal Alma

About Pascal Alma

Pascal is a senior IT consultant and has been working in IT since 1997. He is monitoring the latest development in new technologies (Mobile, Cloud, Big Data) closely and particularly interested in Java open source tool stacks, cloud related technologies like AWS and mobile development like building iOS apps with Swift. Specialties: Java/JEE/Spring Amazon AWS API/REST Big Data Continuous Delivery Swift/iOS

Set up private blockchain with Ethereum (part 2)

Posted on 05/11/2017 by Pascal Alma

In my previous post I set up a network of two nodes running a private blockchain. In this post I use it to create accounts, mine some ether and browse the blockchain with the Mist browser on my Mac. First … Continue reading →

Posted in ethereum | Tagged , | 2 Comments

Set up private blockchain with Ethereum (part 1)

Posted on 28/10/2017 by Pascal Alma

I don’t think it needs introduction about the current hype that is going on with Blockchain, bitcoin, Ethereum and other initiatives. To get more feeling about what it is and how it works I decided to have a go with … Continue reading →

Posted in ethereum | Tagged , | 1 Comment

Getting started with Python on Spark

Posted on 19/09/2017 by Pascal Alma

At my current project I work a lot with Apache Spark and running PySpark jobs on it. For those who also want to get their hands dirty with Spark in combination with Python I can recommend this course at Udemy. … Continue reading →

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Small hack to avoid SSL validation in Spring RestTemplate

Posted on 13/08/2017 by Pascal Alma

As you might notice from my previous posts I am a big fan of Spring Framework. A few weeks back, for example, I needed to set up a REST API client to be able to test some things in our … Continue reading →

Posted in Security, Spring Framework | Tagged , | 1 Comment

AWS DevOps Engineer- Professional: Got it!

Posted on 11/06/2017 by Pascal Alma

When you have a look at the archives of my blog you might notice that I haven’t written any blogs for the last few months. The reason was simple: lack of time. I had decided to not only renew my … Continue reading →

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Use Spring Cloud Config as externalized configuration

Posted on 03/04/2017 by Pascal Alma

One of the most important practices when it comes to continuous delivery is building your binaries only once and use that one in the different environments (dev, test, acceptance, etc). This means that most likely you will need to externalize … Continue reading →

Posted in Continuous Delivery, Spring Framework | Tagged , , | 2 Comments

Pipeline as code with a Spring Boot application

Posted on 08/03/2017 by Pascal Alma

This is the last in a serie of posts about continuous delivery based on my local Docker compose stack (see the first and second post here). In this post I use a simple Spring Boot project to show how to … Continue reading →

Posted in Continuous Delivery, Git, Jenkins, Spring Framework | Tagged , , , , | 4 Comments

Configure Jenkins for Continuous Delivery of a Spring Boot application

Posted on 07/02/2017 by Pascal Alma

In my previous post I described how I started a continuous delivery stack with one simple command. The next step is to prepare the stack to build and deploy an application in an automated way. In this post I describe … Continue reading →

Posted in Continuous Delivery, Docker, Jenkins | Tagged , , , | 4 Comments

Set up your own Continuous Delivery stack

Posted on 26/01/2017 by Pascal Alma

Last week I wanted to try new things with ‘pipeline as code’ with Jenkins. The best way to try new things is running it as Docker containers. This way I can keep my MacBook clean and don’t mess up existing … Continue reading →

Posted in Continuous Delivery, Docker, Jenkins | Tagged , , , , , | 3 Comments

Using NAT Gateway instead of NAT Instance with AWS VPC

Posted on 02/01/2017 by Pascal Alma

I recently bumped into my own post of some time ago in which I describe how to add a NAT instance to your private subnet to have access to the internet to install packages etc. Although this still works some … Continue reading →

Posted in AWS, cloud | Tagged , , | Comments Off on Using NAT Gateway instead of NAT Instance with AWS VPC