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)

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)

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

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

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!

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

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

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

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

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

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 , ,