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News
I Blamed the Firewall for 48 Hours. localhost Resolved to IPv6 First
9+ hour, 35+ min ago (786+ words) This is a 48-hour field notebook, not a victory lap. I will show what I tried, what actually broke, and the small reproduction I wish I had run in the first hour. If you strip every product name out of…...
How Docker Image will be created from Docker file?
5+ hour ago (31+ words) A Docker image is created from a Dockerfile by the Docker build process. Docker reads the Dockerfile during docker build, processes each …...
I Moved Everything to Kubernetes, Then Moved It Back
11+ hour, 6+ min ago (612+ words) One rule kept the migration honest: external domains and ports never change, and the reverse proxy stays the anchor. Move a service in, get it working on k3s, then repoint the proxy rule. The public surface never moved while the backend…...
🚀 Kubernetes: From YAML to Running Pods
10+ hour, 47+ min ago (259+ words) Kubernetes may look complicated at first, but the basic process becomes much easier to understand when we break it into five stages: We start by writing YAML manifests that describe what we want Kubernetes to create. After we submit the…...
Docker vs. Kubernetes: Which Should You Learn First?
12+ hour, 35+ min ago (640+ words) This question comes up constantly, and the honest answer is that it's not really a choice between two competing tools — it's a question of sequence. Docker and Kubernetes solve different, related problems, and one is a genuine prerequisite for the…...
Build in the VM, Think on the Mac GPU: Debian 13 on Apple container With a Local Gemma 4
13+ hour, 41+ min ago (1539+ words) This article walks through building a Debian 13 machine under Apple's container CLI on an Apple silicon Mac, and then wiring that machine to a local LLM running on the Mac's own GPU. Getting there has two halves, and the first…...
Use CI Run steps | Continuous Integration | Harness
1+ week, 6+ day ago (1695+ words) This topic describes settings for the CI Run step. You can use a Run step to run commands or scripts in a CI pipeline. Here are some examples of different ways you can use Run steps. This example runs pytest,…...
Harden & Lockdown RKE2 Cluster with a 4-Layer DevSecOps Stack
14+ hour, 42+ min ago (1308+ words) Introduction Before you move furniture into a new house, you install the locks, the... Tagged with kubernetes, security, devsecops, devops....
Building a Production-Style CI/CD Pipeline with Azure DevOps, ACR, Helm, AKS and PostgreSQL
15+ hour, 17+ min ago (1313+ words) Introduction After learning Docker, Kubernetes, Helm, Azure and Azure DevOps separately, I... Tagged with cicd, azure, aks, devops....
`gh attestation verify` said yes to an image we never released
15+ hour, 58+ min ago (1601+ words) Pulling a container image somebody else built asks four separate questions. Most people answer three of them and skip the fourth: The fourth is the one that has no substitute, and it is the one that is almost always skipped....