Tools Tools

What containers are, why they're useful, first run, common pitfalls

Technical SEO, on-page signals, structured data, what to skip

HTTP verbs, status codes, resource naming, common gotchas

File conventions, server vs client, data fetching, snags

Search Console, GA4, Tag Manager, Ads — end-to-end setup order

Mental model, first workflow, daily loop, undo cookbook

Pods, deployments, services, YAML, when to reach for k8s

When each wins, and the hidden costs of GraphQL at scale

Lifecycle, browser API, when to use, production gotchas

Auth code + PKCE, client credentials, device, token types, scopes

Handshake, certs, Let's Encrypt, hardening to A+

LCP, INP, CLS — what they are, how to fix, how to measure

Same-origin rule, simple vs preflight, server headers, gotchas

Lifetime, security, cross-tab, cookie attributes, anti-patterns

When to monorepo, tool choice, pitfalls

Data types, caching pattern, operational commands, pitfalls

Why Postgres, first queries, unique features, beginner mistakes

Anatomy, minimal workflow, triggers, secrets, deploy gotchas

Where each wins; when serverless bites

Default to monolith; when to split; the modular-monolith middle path

Record types, resolution, debugging, common snags

L4 vs L7, algorithms, health checks, failure modes

Where to cache, patterns, invalidation, common bugs

Three pillars, RED/USE metrics, OpenTelemetry, tooling

Version ranges, lockfile, update strategy, supply-chain hygiene