proxmox
Run a Proxmox QDevice on Unraid with Docker
Shut down half a four-node Proxmox cluster without losing quorum, using a corosync QDevice built with Docker and hosted on Unraid.
docker
Ansible
Set Up an Ansible Practice Lab with Docker in Under 10 Minutes
Learn how to build a local, multi-host Ansible practice lab using Docker in under 10 minutes. Perfect for Windows, macOS, or Linux. No heavy VMs required.
DevOps
Floci and Local AWS Emulation: A Tool I’m Curious to Try
After using LocalStack for years and publishing the first four parts of my local AWS series, Floci caught my eye: MIT licensed, no account required, and built around the same localhost:4566 workflow.
AI
Docker's MCP Catalog and Toolkit: What It Is and Why It Matters
Docker has shipped a Toolkit and Catalog for the Model Context Protocol, plus a Gateway that fronts the lot. Containerised MCP servers, signed images, OAuth handled in-browser, and Profile Templates added in March 2026. Here's what it actually does and where it fits.
AWS
Run AWS on Your Laptop: A 9-Part LocalStack Build Series (Part 0 — Setup)
Photo uploads, a URL shortener, async jobs, scheduled workflows — all running on LocalStack on your laptop, all free. Part 0 of a 9-part series walks through the setup: Docker, auth token, AWS CLI, init-hooks. About 30 minutes from a fresh laptop to a working S3 bucket.
DevOps
Kubernetes 1.35: In-Place Pod Vertical Scaling Reaches GA
Kubernetes v1.35 brings in-place pod vertical scaling to GA after 6+ years. Adjust CPU/memory without pod recreation - but beware anti-patterns. This comprehensive guide covers proper use cases, alternatives like HPA/VPA, and why this powerful feature should be reserved for specific edge cases only.
AWS
LocalStack: Run AWS Services Locally for Free
Test AWS services on your laptop without spending money. LocalStack runs S3, Lambda, EC2, DynamoDB, and more locally on your machine. This guide shows you how to set it up and start using it for learning or professional development.
S3
Set Up Your Own S3-Compatible MinIO Server in Under 5 Minutes with Docker (No AWS Bills)
Run a fully S3-compatible object storage server on your machine. Use AWS CLI, SDKs, or console—no code changes. Perfect for dev, testing, or on-prem. Docker Compose setup, persistent data, instant buckets. Skip the cloud, own your storage.
Linux
Managing Docker Compose Applications with systemd - A Portainer Example
Stop manually restarting containers after reboots. Use systemd to auto-start Docker Compose apps and manage them with systemctl. Includes Portainer example.