0 CQRS through Twitter – more fun than meaning
As part of my 50 Shades of Data presentation, I talk about CQRS – Command Query Responsibility Segregation. The idea…
Author Lucas Jellema
Lucas Jellema
Lucas Jellema, active in IT (and with Oracle) since 1994. Oracle ACE Director and Oracle Developer Champion. Solution architect and developer on diverse areas including SQL, JavaScript, Kubernetes & Docker, Machine Learning, Java, SOA and microservices, events in various shapes and forms and many other things. Author of the Oracle Press book Oracle SOA Suite 12c Handbook. Frequent presenter on user groups and community events and conferences such as JavaOne, Oracle Code, CodeOne, NLJUG JFall and Oracle OpenWorld.
0 From locally running Node application to Cloud based Kubernetes Deployment
In this article I will discuss the steps I had to go through in order to take my locally running…
0 Oracle SaaS – Business Applications in the Cloud – as of Oracle OpenWorld 2018
Oracle has two main pillars on which its (future) business rests – dixit Larry Ellison: Oracle Cloud Infrastructure (including the…
3 Oracle APEX: the low-code and low-cost application middle tier
Oracle APEX is a low code application development framework. It can be used free of charge – either as part…
0 Quick Start with Eclipse Che – Browser based IDE, running on Docker
One of the nice discoveries I made last week during CodeOne 2018 was Eclipse Che. This is a browser based…
4 Querying and Publishing Kafka Events from Oracle Database SQL and PL/SQL
One of the session at CodeOne 2018 discussed an upcoming feature for Oracle Database – supported in Release 12.2 and…
2 Rapid generation of Oracle DDL scripts for Tables, PL/SQL APIs, Sample Data
Yesterday, at the Oracle ACE Directors Product Briefing, I received a gift. It is called QuickSQL. And it is a…
0 Oracle Cloud Infrastructure CLI Scripts for preparing for OKE Cluster Provisioning
In order to provision a Kubernetes cluster on Oracle Cloud Infrastructure, you need to prepare the OCI tenancy and create…
0 Create OKE Kubernetes Cluster on Oracle Cloud Infrastructure – including Service Request to increase limit
Anyone with a trial account for Oracle Cloud can use Oracle Cloud Infrastructure (OCI) to get herself a three-node Kubernetes…
0 Get going quickly with Command Line Interface for Oracle Cloud Infrastructure using Docker container
Oracle Cloud Infrastructure is Oracle’s second generation infrastructure as a service offering – that support many components including compute nodes,…
0 From docker run to kubectl apply – quick Kubernetes cheat sheet for Docker users
Primarily for my personal reference: this article provides instructions on running a Docker container image as a Kubernetes Deployment plus…
0 Getting Started on Monitoring with Prometheus and Grafana
Monitoring sounds like a terribly useful thing to do. And in many situations it is of course. However, rather than…
0 Generic Docker container image for running and dynamically reloading an Oracle JET application from a Git repository
This article introduces a Docker Container Image that runs an Oracle JET application from a Git repository and is capable…
0 Generic Docker Container Image for running and live reloading a Node application based on a GitHub Repo
My desire: find a way to run a Node application from a Git(Hub) repository using a generic Docker container and…
0 Running Elastic Stack (ES and Kibana) on Oracle Container Cloud
It should be simple and in the end it was relatively simple – but still I was struggling a little…
1 First Steps with Prometheus and Grafana on Kubernetes on Windows
Preparation: before I started with Prometheus, I installed VirtualBox, Minikube with Tiller on my Windows 10 laptop – as described…
1 Running Kubernetes 1.10 using MiniKube on Windows 10 (adding kubectl and helm/tiller)
Some quick steps to get Minikube for K8S 1.10 up and running on Windows 10 (presuming VirtualBox has already been…
0 Another Taste of India– ODevCYatra 2018
July 2018 saw another edition of the Oracle Developers’ tour through India, called Yatra. In just over two weeks, seven…
0 Presenting at ODevCYatra 2018 in Hyderabad, Pune and Mumbai (11, 13 and 14 July)
In 2013 I have participated in the OTN Yatra – a conference tour of six cities in India (). This…
0 Running Istio on Oracle Kubernetes Engine–the managed Kubernetes Cloud Service
In a recent post, I introduced the managed Oracle Cloud Service for Kubernetes, the Oracle Kubernetes Engine (OKE): https://technology.amis.nl/2018/05/25/first-steps-with-oracle-kubernetes-engine-the-managed-kubernetes-cloud-service/. A…