67 posts tagged with "Cloud"

Running Terraform from laptops and self-hosted CI works until your team hits 10 engineers and 20 state files. At that point, you spend more time managing the Terraform workflow than the infrastructure itself — who has access to which state, where are credentials stored, how do you enforce policies, and who approved that apply? Terraform Cloud (TFC) is HashiCorp's answer: a managed platform that handles state, execution, policies, and collaboration. But it comes with trade-offs in cost, flexibility, and vendor lock-in.

Most teams build on AWS by copying tutorials, stitching together Stack Overflow answers, and hoping for the best. Six months later they have a production system that works — until it doesn't. The bill is 3x what it should be, nobody knows what happens if us-east-1 goes down, and the security posture is "we'll deal with it when we get audited." The Well-Architected Framework exists to prevent this. It's not theoretical — it's a checklist distilled from thousands of AWS customer architectures.

ARM templates are powerful but painful. A simple storage account takes 30 lines of JSON with cryptic syntax, deeply nested properties, and string concatenation that makes your eyes bleed. Bicep is Microsoft's answer — a domain-specific language that compiles to ARM JSON but reads like actual code. Same deployment engine, same capabilities, a fraction of the complexity.

A well-designed Terraform module is a force multiplier — one module can standardize infrastructure across 50 teams and prevent the same misconfiguration from happening twice. A poorly designed module is a different kind of multiplier: it spreads complexity, creates tight coupling, and makes every change a breaking change. The difference comes down to design patterns. Terraform does not have classes or inheritance, but it has something better: composition.

It's 2 AM. Your primary region (us-east-1) is experiencing a major outage. Your CEO is calling. Customers are tweeting. And you're realizing that "we'll figure out DR later" was not a viable strategy. Disaster recovery isn't about preventing failures — AWS regions go down, AZs have issues, services degrade. DR is about how fast you recover and how much data you can afford to lose.

You have VNets, subnets, and NSGs from the basics. But your security team wants to know why your storage account is accessible from the public internet, your database traffic traverses Microsoft's backbone instead of your private network, and your 12 spoke VNets have no central firewall. Time to graduate to enterprise networking — where every PaaS service gets a private IP and every packet flows through your inspection points.