• PostgreSQL Docker Environment

  28 Jul 2022

  Quickly run and connect to a PostgreSQL 14 server in a Podman container, using the Docker-compatible command line and psql to connect locally

• MongoDB Docker Environment

  28 Jul 2022

  Quickest way to spin up & connect to a MongoDB Docker instance using Podman as a drop-in Docker replacement

• MySQL Docker Environment

  27 Jul 2022

  Quick way to spin up & connect to a MySQL server with Podman (Docker drop-in). Simple commands for starting and authenticating

• Tracing Maven transitive dependencies

  22 Jul 2022

  False-positive CVE-2022-22965 alert on an Atlassian Maven plugin caused by a provided-scope transitive spring-beans dependency from Bitbucket itself (not shipped in the JAR)

• Headless Raspberry Pi setup

  23 Jun 2022

  Quick guide to set up a headless Raspberry Pi with WiFi & SSH on Raspberry Pi OS using pre-made configs - Clone, customize password/WiFi, copy to /boot.

• Github Actions example

  20 Jun 2022

  Trying out GitHub Actions for building crypto daemon container images. Excellent docs, built-in buildah/podman, plus secrets, parallel builds & quay.io pushes

• K8s External Secrets

  30 Jul 2021

  External Secrets (by GoDaddy) bridges K8s secrets & secure stores like AWS Secrets Manager. Define ExternalSecret resources to sync credentials as regular K8s secrets

• Adding features to K8s

  29 Jul 2021

  Simple K8s controllers aren’t hard - a privileged pod can poll the API event stream/lists to automate tasks like external DNS or Cloudflare updates

• What is a Kubernetes ingress controller

  28 Jul 2021

  K8s defines Ingress standards for HTTP routing (paths, backends) but provides no implementation - deploy your own controller to route external traffic to pods

• what is Kubernetes

  22 Jul 2021

  Kubernetes (K8s) is a container scheduling engine that runs Docker-compatible containers on allocated capacity

• what is upsert

  21 Jul 2021

  UPSERT inserts a record if missing or updates it if present. Makes data syncs idempotent - less code, fewer chances for mistakes.

• What is a database

  20 Jul 2021

  What is a database? Broadly, organized electronic data

• Exposing version in JavaScript

  20 Jul 2021

  Safely expose package.json version in Node.js apps by generating src/version.js

• Cost debugging JFrog Pipelines

  17 Jul 2021

  Debug unexplained JFrog CI costs by analysing artifact downloads with AQL, identifying Kubernetes cronjobs, and reducing unnecessary image pulls

• What is a homedir

  16 Jul 2021

  A homedir is your personal file storage (e.g. /Users, /home, C:\Users). ~ expands to it