Lucas Jellema – Medium

Lucas Jellema

Admin Mode in Static Web Application with OCI API Gateway

In two previous articles I have described how I have implemented my static web application, served from GitHub Pages, with EntraId…

Jun 10

Admin Mode in Static Web Application with OCI API Gateway

Jun 10

No Code challenge: create file named after user in OCI Bucket through OCI API Gateway

In this article I will share what I could not find (exactly) in the documentation and what my AI assistants wildly hallucinated about (too…

Jun 8

No Code challenge: create file named after user in OCI Bucket through OCI API Gateway

Jun 8

Private data in public web application — Microsoft EntraId, GitHub Pages, OCI API Gateway

What is the easiest, cheapest and fastest way to make a static web application available to a group of end users? Probably a public GitHub…

Jun 2

Private data in public web application — Microsoft EntraId, GitHub Pages, OCI API Gateway

Jun 2

The Blurring Lines of Automation: When RPA, Test Automation, Integration, and AI Agents Converge

The world of automation is undergoing a quiet revolution — not by replacement, but by fusion. Once neatly separated into categories like…

May 8

The Blurring Lines of Automation: When RPA, Test Automation, Integration, and AI Agents Converge

May 8

Turn any Web App into an API using a Browser Extension

As an end user you have access to various websites and web applications. You login and and then can look up data, submit requests…

Apr 29

Turn any Web App into an API using a Browser Extension

Apr 29

A2A (Agent-to-Agent) is not about AI

The recent announcement of Google’s A2A (Agent-to-Agent) protocol in April 2025 has generated significant buzz in the tech community…

Apr 21

A2A (Agent-to-Agent) is not about AI

Apr 21

Will AI-Assisted Software Engineering frustrate Innovation? Is there bias in Tech Choice

AI Assisted software engineering (with the likes of GitHub Copilot, Cursor, Windsurf, Claude, Roo Code and LLM of your choice) maybe bad…

Apr 21

Will AI-Assisted Software Engineering frustrate Innovation? Is there bias in Tech Choice

Apr 21

Windsurf helps me navigate the Apollo 11 code base and the 1202 alarm

Things sometimes nicely come together.

Apr 4

Windsurf helps me navigate the Apollo 11 code base and the 1202 alarm

Apr 4

Windsurf powered Software Engineering — From Commanding Officer to Collaborators

In an earlier article (How to build a Chrome Browser Extension in 15 sentences using Windsurf) I related how I needed only 15 simple…

Apr 1

Windsurf powered Software Engineering — From Commanding Officer to Collaborators

Apr 1

How to build a Chrome Browser Extension in 15 sentences using Windsurf

I created — well, maybe I should rephrase that to: I was co-creator? a co-inspirator? — a Chrome Browser Extension for uploading local…

Mar 30

How to build a Chrome Browser Extension in 15 sentences using Windsurf

Mar 30

Lucas Jellema

Lucas Jellema

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Lucas Jellema is CTO and IT architect at Conclusion, The Netherlands. He is Oracle ACE Director, one time JavaOne Rockstar and programmer

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