Brief: What is Oracle Wallet?

Lucas Jellema

An Oracle Wallet is an encrypted file that contains database credentials – username and password – for connecting to an Oracle Database. This avoids writing hard code user passwords in a shell script or in an application database configuration file. A wallet can also contain certificates – for example for […]

Update Go on Linux

Lucas Jellema

It turned out to be a fairly small deal. For reference sake a brief write up of updating the Go runtime on my Ubuntu environment. Current version: go version Find latest releases of Go at https://go.dev/dl/ There is a new one. I copy the link and then run: wget https://go.dev/dl/go1.17.6.linux-amd64.tar.gz […]

Dapr and Kafka–easy binding

Lucas Jellema

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, pub/sub, actors) and technologies. Simply by using Dapr we can leverage a large number of Dapr components that through the Dapr […]

Customizing Dapr–preparing my environment

Lucas Jellema

In other articles I will write about the value of Dapr – as a personal assistant to any application that helps out with state, configuration and secrets, receiving inbound messages, publishing messages and invoking services and that supports microservice architectures through a network of closely collaborating personal assistants to all […]

The Release Formula: R = ΔF + ΔNF + ΔQ

Lucas Jellema

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 should strive for release statements that identify the changes, the objective they contribute to and the metric used for measuring their […]