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Latest Articles
How to Deploy a Modern Web Application to the Cloud in 5 Simple Steps
4+ hour, 36+ min ago (24+ words) Building an application on your local machine is rewarding, but seeing it run live on the web for... Tagged with webdev, tutorial, beginners, cloud....
I Blamed the Firewall for 48 Hours. localhost Resolved to IPv6 First
4+ hour, 40+ 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+ min 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
6+ hour, 11+ 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
5+ hour, 52+ 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?
7+ hour, 40+ 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
8+ hour, 46+ 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…...
Giving an AI Agent a Real Sandbox: Filesystem and Network Jail, in Java
8+ hour, 51+ min ago (733+ words) Ask a coding agent to run a build, and you have just handed a language model the ability to cat ~/.ssh/id_rsa. Prompt-level instructions like "do not read sensitive files" are not a security boundary — they are a suggestion to a…...
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
9+ hour, 48+ min ago (1308+ words) Introduction Before you move furniture into a new house, you install the locks, the... Tagged with kubernetes, security, devsecops, devops....