// Topics / Infrastructure
Infrastructure
53 entries tagged “Infrastructure”
- AI Build vs. Buy in 2026: An Operational Cost Question
· 3 min
AI build vs. buy in 2026 turns on operational cost: who owns telemetry, fallbacks, and data residency. When to buy, when to build, and the hybrid default.
strategy
ai
architecture
Why AI Agents Fail on Legacy Network Infrastructure
· 7 min
Many AI agent failures trace to the network: stale DNS, flat trust, retry storms, shallow queues. Zero-trust identity and per-step reliability fix them.
agents
infrastructure
security
Local-First AI Agents: Why Cloud-Heavy Architecture Fails
· 7 min
Agents that chain dozens of cloud hops pay in latency variance, cost, and failure surface. How to move routine inference local without a rewrite.
agents
infrastructure
cost
AI Data Pipelines for RAG: ETL With a Retrieval Layer
· 5 min
AI data pipelines are ETL with a retrieval layer bolted on. The discipline is the same as always: detect change, chunk intelligently, keep indexes fresh.
data
ai
infrastructure
AI Infrastructure at Scale Is Just Infrastructure
· 4 min
AI infrastructure at scale is just infrastructure. Gateways, caching, workload separation, budgets, and circuit breakers solve the same old problems.
ai
infrastructure
architecture
Scaling AI Features: GPUs, Rate Limits, and Backpressure
· 4 min
GPUs are scarce, rate limits are hard ceilings, and AI demos collapse under real traffic. The distributed systems patterns that keep AI features up.
ai
infrastructure
architecture
Vector Databases Explained: What They Are, When You Need One
· 6 min
What vector databases store, how similarity search and ANN indexes work, and when pgvector is enough versus a dedicated vector database.
llm
ai
go
Cloud Cost Optimization Starts With Visibility
· 3 min
Most cloud cost problems are visibility problems. Fix tagging, kill idle resources, right-size the rest, and make cost a regular engineering conversation.
cost
cloud
infrastructure
Platform Engineering: DevOps Grew Up
· 4 min
Platform engineering is what happens when you realize 'you build it, you run it' does not scale past a handful of teams.
platform-engineering
devops
developer-experience
Cloud Cost Management: You Do Not Need a FinOps Team
· 4 min
Most cloud cost work is deleting unused resources, tagging, right-sizing, and committing to the baseline. Engineering teams should own it.
cloud
cost
infrastructure
Kubernetes Requests and Limits: Lessons From an Outage
· 5 min
CPU is compressible and memory is not. How to set Kubernetes requests and limits from real usage, when to skip CPU limits, and which guardrails to add.
kubernetes
infrastructure
devops
Platform Engineering Maturity: Why Teams Stall at Level 2
· 6 min
Most platform teams build tools nobody asked for while developers wait in ticket queues. Lessons from platform teams at large companies.
platform-engineering
devops
developer-experience
Kubernetes Cost Optimization: Right-Size Requests First
· 5 min
Most clusters I review run at 20-40% utilization. How I help teams cut Kubernetes bills: honest requests, better bin packing, spot nodes, and ownership.
kubernetes
cost
infrastructure
Zero Trust Architecture: Identity First, Then Segmentation
· 6 min
Zero trust from cyber-defense exercises and a large telecom: identity first, default-deny segmentation, device posture, and common mistakes.
security
architecture
infrastructure
Postgres Reliability: Restores, Failover, Safe Migrations
· 8 min
Practical database reliability from running Postgres in production: configs, safe migration patterns, and the operational habits that prevent outages.
databases
reliability
infrastructure
WebAssembly Beyond the Browser: A 2021 Progress Report
· 5 min
Server-side Wasm in mid-2021: edge platforms and Envoy plugins are real, WASI still lacks networking, and containers aren't going anywhere.
infrastructure
cloud
go
Data Engineering Patterns: Batch vs. CDC vs. Streaming
· 6 min
Batch vs. CDC vs. streaming ingestion, compared from building financial data pipelines at a fintech startup, and how to pick by real latency needs.
data
metrics
architecture
Multi-Cloud Is Mostly a Marketing Strategy
· 4 min
Multi-cloud sounds great in vendor pitches. In practice, it doubles your operational burden for benefits most teams will never need.
cloud
architecture
infrastructure
2020 in Review: The Year That Broke the Playbook
· 5 min
My company survived its first real crisis, I led teams at two larger platforms, and the industry learned what remote work looks like. A strange year.
year-in-review
infrastructure
remote-work
Apple M1 and ARM Servers: What Changes for Infrastructure
· 3 min
The M1 is impressive hardware. The 'ARM everywhere in the data center' takes are not. What it changes for infrastructure: multi-arch builds, now.
infrastructure
Zero Trust vs VPN: How to Migrate Off the Perimeter
· 6 min
VPNs trust the network; zero trust checks every request. Lessons from cyber-defense exercises and my infrastructure startup, plus a six-step migration path off the VPN.
security
infrastructure
Platform Engineering vs DevOps: Mostly a Rebrand
· 3 min
The industry loves renaming things. Platform teams and internal developer platforms are DevOps done properly, and most companies still won't do it right.
platform-engineering
devops
infrastructure
Kubernetes Operators in Go: Lessons From Six in Production
· 9 min
Lessons from building production operators at a cloud infrastructure startup: the reconciliation loop, controller-runtime patterns, and the mistakes that cost us sleep.
kubernetes
go
infrastructure
Kubernetes Requests and Limits: How I Size Resources
· 5 min
Most K8s clusters I audit are either wildly overprovisioned or one bad deploy away from eviction storms. Here's how I set requests, limits, and guardrails.
kubernetes
devops
infrastructure
gRPC in Production with Go: Protos, Deadlines, Errors
· 11 min
gRPC patterns from moving a startup's internal APIs off REST: proto design, Go servers and clients, status codes, testing, and mistakes that cost weekends.
api
go
microservices
VPN Overload in 2020: Why Scaling the VPN Is the Wrong Fix
· 4 min
COVID broke everyone's VPN. More licenses stop the bleeding and split tunneling buys time. The real fix is moving apps behind identity-based access.
infrastructure
security
remote-work
AWS Security While Scaling Fast: Make Secure the Default
· 7 min
Scaling AWS overnight? Manual security review collapses under that pressure. Secure defaults hold: IAM boundaries, private Terraform modules, GuardDuty.
security
cloud
infrastructure
Scaling WebRTC Video: SFUs, Simulcast, and TURN Costs
· 6 min
Most companies building video calling are making the same architecture mistakes. What I keep seeing, and how to fix it before your SFUs fall over.
infrastructure
architecture
WebAssembly Outside the Browser: Real Promise, Real Gaps
· 3 min
WebAssembly outside the browser is interesting for edge, plugins, and sandboxing. But WASI and the tooling gaps are bigger than the hype admits.
infrastructure
go
Terraform Testing: Static Checks, Policy, and Integration
· 6 min
I tested Terraform modules with static checks, policy engines, and integration runs side by side: what each layer catches, what it misses, when to run it.
infrastructure
testing
infrastructure-as-code
2019 in Review: The Year I Quit, Built, and Started Over
· 5 min
Leaving the fintech startup, joining a founder program, starting a cloud infrastructure company, and every lesson the year threw at me.
year-in-review
startups
reflection
Edge Computing Is Usually Premature Optimization
· 3 min
Edge computing is real, but most teams adopting it don't have an edge problem. They have an architecture problem they're solving with geography.
infrastructure
architecture
distributed-systems
Terraform at Scale: Splitting the State Monolith
· 6 min
How to split a monolithic Terraform state into something teams can work with: state layout by domain, small pinned modules, plan review, and drift checks.
infrastructure-as-code
infrastructure
devops
Kubernetes Security Hardening: Fixing Insecure Defaults
· 5 min
Kubernetes defaults optimize for fast adoption, not safety. A hardening checklist from running production clusters at three startups.
kubernetes
security
infrastructure
Cloud Cost Optimization: Cut Waste Before Buying Discounts
· 5 min
Cloud cost optimization strategies ranked by effort and savings: tagging, idle resources, right-sizing, reserved and spot instances, and data transfer.
cloud
cost
infrastructure
GitOps with Flux and Argo CD: Stop Deploying From a Laptop
· 9 min
How to move a team off ad-hoc kubectl deploys to Git-driven Kubernetes with Flux and Argo CD: repo layout, secrets, rollbacks, and my mistakes.
ci-cd
devops
kubernetes
Kubernetes Production Checklist: The Boring Basics
· 5 min
Most Kubernetes outages come from skipped basics: limits, probes, network policies, RBAC, upgrades, etcd restores. The checklist I run on every cluster.
kubernetes
devops
infrastructure
Istio 1.0 in Practice: Powerful, Painful, Often Overkill
· 5 min
Evaluating Istio 1.0 at a fintech startup: what it gives you, what it costs in overhead and complexity, and why most teams should think twice.
kubernetes
microservices
infrastructure
Terraform in Production: Repo Layout, Modules, and State
· 4 min
Opinionated Terraform patterns from a fintech startup: repo layout, small modules, per-environment state, CI plans, drift detection, and secrets.
infrastructure
infrastructure-as-code
devops
Kubernetes Operators: Powerful, but Overhyped
· 3 min
Kubernetes operators are useful for Day 2 operations, but writing a good one is hard. When to adopt an existing operator, when to build your own.
kubernetes
devops
infrastructure
Zero Trust Architecture: Building It at a Fintech Startup
· 5 min
How I replaced castle-and-moat security at a fintech startup with zero trust: identity-first access, an access proxy, and micro-segmentation.
security
architecture
infrastructure
Two Years of Kubernetes in Production: The Boring Parts
· 6 min
Year two of running Kubernetes in production: network policies, DNS, resource requests, PodDisruptionBudgets, upgrades, and RBAC.
kubernetes
containers
devops
Spectre and Meltdown: What We Patched in the First Five Days
· 4 min
Five days after the Spectre and Meltdown disclosure: what we patched at a fintech startup, what KPTI costs, and what it means for shared infrastructure.
security
infrastructure
Container Security Beyond the Basics: What We Hardened
· 5 min
Containers share the host kernel, so they aren't a security boundary. How we hardened images, runtimes, network policies, and RBAC at a fintech startup.
containers
kubernetes
security
Multi-Region Architecture: What I Wish Someone Had Told Me
· 6 min
What I learned evaluating multi-region at the fintech startup: the patterns that work, the ones that burn you, and when you should even bother.
architecture
distributed-systems
cloud
The Business Case for Infrastructure: Pitch It in Money
· 3 min
Boards fund money, risk, and speed. How I pitched infrastructure investment at a fintech startup: business framing, rough ROI, and a skimmable proposal.
infrastructure
leadership
business
Hidden AWS Costs: Why the Bill Doesn't Match the Calculator
· 4 min
Our AWS bill came in near double the calculator. Where the money went (transfer, storage, zombies, RDS) and what cut it: tags, weekly reviews, RIs, spot.
cloud
cost
infrastructure
Kubernetes in Production: What Paid Off and What Bit Us
· 6 min
Running Kubernetes in production: what paid off, what bit us (networking, secrets, YAML sprawl), and who should adopt it.
kubernetes
containers
devops
Why Every Developer Should Understand Networking
· 3 min
Three production bugs (DNS caching, TIME_WAIT port exhaustion, shallow health checks) that basic networking knowledge prevents, and where to start.
infrastructure
engineering
Log Aggregation at Scale: ELK vs Alternatives
· 4 min
ELK is powerful and a second full-time job. What running it at a mobility startup taught me, and the hosted or simpler options I'd pick instead.
observability
databases
devops
Cloud vs Colocation for Startups: The Real Cost in 2016
· 3 min
Colocated servers look cheaper than EC2 until you add rack space, gear, and the engineer to run them. For a 2016 startup the cloud wins by a wide margin.
cloud
infrastructure
startups
Ansible vs Puppet vs Chef: Why Ansible Won for Us
· 2 min
Puppet, Chef, and Ansible compared from production use. Ansible wins on least ceremony; Puppet and Chef still fit large or Ruby-fluent infra teams.
infrastructure-as-code
devops
infrastructure
Docker in Production: Lessons from Running Containers
· 8 min
What running Docker in production at a mobility startup taught us about image builds, tagging, networking, logs, resource limits, and non-root security.
containers
devops
infrastructure