Modern cloud platforms make networking feel deceptively simple. You create a service, expose a port, and suddenly it is reachable. Under the surface, however, a number of classic networking concepts are still at work: routing tables, address spaces, gateways, and network boundaries. This article revisits the core mechanics of cloud networking—using concepts from Google Cloud […]

Modern Node.js applications expose functionality through many different invocation mechanisms. A piece of business logic might be executed directly inside the process, triggered through an HTTP endpoint, run as a CLI command, or invoked across processes using RPC or messaging. Choosing how code is executed is often as important as what the code does, because […]

As developers and sysadmins, we often deal with commands that return JSON output. Tools like curl, kubectl, aws, or even custom scripts output JSON, but reading it directly in the terminal is cumbersome. Enter jq: a lightweight, flexible command-line JSON processor. In this tutorial, we’ll explore how to harness jq for querying, formatting, and manipulating […]

Terraform’s state is the persistent data structure that allows declarative configuration to work in practice. Without state, Terraform would have no reliable way to understand what already exists, what it manages, and what needs to change. This chapter explains: Why State Exists Terraform is declarative. You describe the desired end state of your infrastructure. To […]

Infrastructure as Code: Taking Control of Your Tech As a full-stack developer working with TypeScript, Node.js, and MongoDB, you’re focused on building amazing applications. But what happens when the underlying infrastructure – the servers, databases, and networks – becomes a constant source of complexity and potential headaches? That’s where Infrastructure as Code (IaC) comes in. […]

Why modules? JavaScript has evolved significantly over the years, and one of the critical areas of advancement is in how we manage and structure code using modules. Modules allow developers to break down complex applications into smaller, manageable parts, each with a specific purpose. There are several module systems that have been adopted over time, […]