VPC and Subnets
A VPC (Virtual Private Cloud) is the virtual network where compute, databases, and load balancers live in AWS. If the shape of the VPC is not defined first, every decision inside it stays unstable.
Posts tagged subnet
AI/LLM topics — agents, prompts
HTML, CSS, JS, HTTP, URL basics
TypeScript, Java, Python, Rust
Data structures, Big-O, patterns
React, Next.js, Tauri, Tailwind
Spring, FastAPI, SQL
Claude Code · MCP · Context7 · Figma — overview of AI coding tools
Deployment options and decision criteria
PostgreSQL · Kafka · data strategy notes
Docker, Compose, Caddy, SSH
Windows vs Mac and other dev-environment notes
Cross-platform options compared (Tauri · Flutter · RN)
pnpm, uv, Gradle, Git, regex
KISS · DRY · YAGNI · naming — development philosophy
OAuth · JWT · security fundamentals
Testcontainers, Vitest, pytest
Searching, reading docs, debugging
A VPC (Virtual Private Cloud) is the virtual network where compute, databases, and load balancers live in AWS. If the shape of the VPC is not defined first, every decision inside it stays unstable.
Whether a subnet is "public" or "private" is decided by routing, not by labels. Once we understand how Internet Gateway (IGW), NAT Gateway, route tables, and VPC endpoints combine, the meaning of subnet design becomes c…