1 Expose Docker Container services on the Internet using the ngrok docker image
The challenge: you are running a service, API or web application in a Docker container, locally on your laptop or…
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 Don’t ask what you can do for documentation – ask what documentation can do for you! (a top down perspective on documentation)
How much documentation is enough documentation? What are the requirements in the definition of done regarding documentation? Cannot simply all…
0 Finding the shortest path from Country A to Country B – using Neo4J and Node
Graph Databases are good at recording nodes and edges – and even more at performing queries that traverse the edges.…
0 Session Catalog for Oracle OpenWorld & CodeOne 2018 in JSON files
The Oracle OpenWorld and CodeOne 2018 conferences took place in the last week of October 2018. Together, over 1500 sessions…
0 First steps with Oracle Self Service Integration Cloud
An important part of enabling optimal use of SaaS applications is integrating various functions in said applications. Events in one…
0 Internet Intelligence – Checking on the accessibility of your web application from Anywhere in the world – for free with Oracle Cloud Infrastructure
A valuable capability that organizations using Oracle Cloud Infrastructure have available is internet intelligence. This capability allows you to monitor…
0 Building a Conference Session Recommendation engine using Neo4J Graph Database
This article describes a use case for which a traditional SQL-powered relational database approach can provide a solution – but…
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…
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…
2 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…