Kafka is not dead, it’s just in a different packaging
‘Kafka is dead’ is a statement that is circulating more and more often. Critics point to a lack of innovation, the complexity of the product and the emergence of …
Category: Architecture
Semi-manual application integration
Application integration typically happens in the backend — on the server side- , through fully automated means using APIs, web services, adapters/connectors, integration technology (service bus, event broker, ..) …
Taming the IoT Spaghetti: Unraveling the Complexity of IoT Architecture with Pasta Metaphors
In the ever-expanding realm of the Internet of Things (IoT), organizations are increasingly embracing interconnected devices to gather and exchange data. These systems often start with one use case …
My own AWS Landing Zone
You probably know how this works: you start learning AWS, get a free tier account, work with it – play with it (yes, really, AWS is toys for adults). …
Writing your own Lambda function for secret rotation
Introduction A few weeks ago I published a blog about secret rotation , I used the default Lambda functions for single user and multi users that are maintained by …
Tegenvallende klantervaring door matige business logica IT
Dit is een verhaal over mijn ervaringen als klant van een leasemaatschappij. Of misschien als belanghebbende (want mijn werkgever is de klant). Een verhaal op twee niveaus: de klantervaring …
The team has agreed …– the power of suggested recollection
I am not normally a cynic. I trust people’s good intentions. However, I am a little suspicious when an argument in favor or against a specific way of doing …
Mont Blanc is [not] the highest mountain–risk of local optimization
The best solution may not be the best solution. Depending on the scope in which you consider the alternatives, you may arrive at the wrong conclusion. Consider only the …
How to install Bitwarden with added security in AWS
Introduction I used LastPass for several years, and it helped me a lot to access my passwords and secrets on any moment, from multiple devices, in a secure way. …
Use it .. or lose it. On Application and Feature decommissioning
“Can we let go of that office building?” (we pay rent, utilities, furniture – is that still necessary or justified) “Well, I believe Chris is still making use of …
Which tools and technologies are new and exciting, proven, growing stale–report from Devoxx 2022
October 14, 2022
Architecture, Cloud, Frontend technology, Kubernetes, Software Development
No Comments
A conference such as Devoxx is a great opportunity to get inspired into trying out tools and technologies that may not or only be vaguely be known as they …
WebSinker–generic event detection for unhooked systems to trigger WebHook
Quite a few systems – business applications large and small – do not have support for WebHooks. That is: they do not offer the ability to register a URL …
AMIS DataSafe, the answer to Black Swan scenarios
March 29, 2022
Technology, AMIS, Architecture, Cloud, Cyber Security, DevOps, Digtial Innovation, Gouvernance, Platform Technology
No Comments
How to be prepared for a black swan scenario?
Dapr and Kafka–easy binding
Dapr is a runtime framework for distributed applications. Dapr also provides a personal assistant to any application and environment that offers standardized access to different facilities (state, secrets, configuration, …
Dumb pipes, smart endpoints–the Post Filter, the register to stop unwanted mail
Many people receive mail at their front door that they do not want to receive. Commercial mail, mail from companies they may perhaps made enquiries with long ago, mail …
Product selection done quickly
Your customer has a specific challenge and wants to have it solved by means of software. They ask you as a software/solution architect to advise them on this topic …
Scaling [down] the Mountain of Debt – Four dimensions of IT Debt
WYSIWYG may not be true for all IT systems. What you see may be more than what you actually get. As a Product Owner, you have to be very …
Architecture in an agile world
October 5, 2021
Agile Scrum, Architecture, DevOps, Digtial Innovation, Software Development
1 Comment
This year I had to work with a colleague for multiple internal poc’s that we could use to show customers. Together we started thinking about the approach and where …
AWS Config automated remediation
Introduction It is possible in AWS to check if your environment is compliant to your minimum standards. It is also possible to automatically change the environment to make it …
Play environment for WebGoat, WebWolf and Juice Shop
In this blog post, I will show how you can install the OWASP training tools WebGoat, WebWolf and JuiceShop on your local laptop using Vagrant.
Measure the Quality of your Source Code!
Quality is something which is hard to define. Different areas of expertise use their own definitions of what quality is. Without an objective standard which carries weight, anyone can …
The Release Formula: R = ΔF + ΔNF + ΔQ
TL;DR: a software release introduces changes in three areas: functional, non-functional and quality. Each change should contribute to identified objectives – and the contribution should be measurable. Product teams …
The True Cost of a Feature–Kill your darlings
TL;DR: the true cost of a software feature includes a long tail of operational and maintenance cost that should be taken into consideration when first implementing the feature. The …
Jenkins: Obtaining and displaying credentials
Jenkins is a solid CI/CD platform which has proven itself over the years. Many organizations use it to build, test and deploy their applications. In Jenkins it is possible …
SonarCloud: OWASP Dependency-Check reports
SonarCloud is a hosted SonarQube SaaS solution which helps you with code quality management. It is free to use for open source projects. You cannot install 3rd party plugins …
OWASP ZAP: A quick introduction to a versatile open source DAST tool
OWASP ZAP (Zed Attack Proxy) is an open source dynamic application security testing (DAST) tool. It is available here and has a website with documentation here. I recently encountered it when looking …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (1)
March 5, 2021
Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, DevOps, PL/SQL, Software Development
No Comments
What’s in a name? A title is important and I hope that it describes well what I do want to share with you in this series of articles. It …
Java Security: Open Source tools for use in CI/CD pipelines
It is often expected of a DevOps team to also take security into consideration when delivering software. Often however, this does not get the attention it deserves. In this …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (6)
February 26, 2021
DevOps, Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, PL/SQL, Software Development
1 Comment
Last time in “How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (5)”, I told you about Git, Subversion, Maven and Flyway. In …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (5)
February 26, 2021
DevOps, Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, PL/SQL, Software Development
No Comments
Last time in “How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (4)”, I told you about the Oracle SQL Developer Data Modeler. …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (4)
February 26, 2021
DevOps, Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, PL/SQL, Software Development
No Comments
Last time in “How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (3)”, I told you about the Oracle Database and Oracle APEX. …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (3)
February 26, 2021
DevOps, Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, PL/SQL, Software Development
No Comments
Last time in “How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (2)”, I did show you the database structure. This time I …
How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (2)
February 26, 2021
DevOps, Agile Scrum, APEX, Architecture, Continuous Delivery, Database, Deployment, PL/SQL, Software Development
No Comments
Last time in “How to build an Oracle Database application (that supports APEX, Java, React or any other front-end) (1)”, I gave you an introduction. This time I will elaborate …
The Prototype Pitfall
TL;DR Prototyping is an essential way to determine the technical feasibility and functional desirability of features of a software system. There is a clear and present danger that the …
VNet peering in Azure
Introduction I looked into virtual network peering peering in Azure and I saw something that looked rather strange to me. Let me explain what it was, how VNet peering …
Using one-time upload URLs in AWS with S3 versioning
In this blog, I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
Using one-time upload URLs in AWS with Memcached
In this blog I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
Using one-time upload URLs in AWS using DynamoDB
In this blog, I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
Some end-of-year remarks about the AWS Shop Example
It is the end of the year: time to look back, time to look forward. In the past year, I had a lot of extra time because of the …
Performance problems, the Whys.. and Hows.. around them
Introduction Over the last years, as part of my consultancy experience, I had the chance to work on several assignments tackling IT performance problems. In this post I will …