Every AWS service, acronym, and pricing term from the 0-to-1-million-users post, defined — plus the popular and open-source alternatives to each, and a 1-to-5 gut check on whether the AWS-native pick is actually the right one.
aws
cloud
glossary
reference
DevOps maturity isn't measured by how many tools you run. Follow a five-engineer startup from a single deploy script to a GitOps-driven Kubernetes platform, stage by stage — the pressure that forces each jump, the tool that answers it, the cost it adds, and what to deliberately not build yet....
devops
ci-cd
docker
kubernetes
gitops
terraform
observability
platform-engineering
An AI startup's AWS bill tells a story. Walk through what services you actually need at each user tier — from the alpha with 10 design partners to a million-user product — and, more importantly, what pressure forces each jump.
aws
cloud
scaling
ai
bedrock
architecture
What `ctx context.Context` actually does — four tiny Go programs that walk from a leaking goroutine to a single cancel() that stops a whole tree of work.
go
concurrency
context
cancellation
What the thundering herd actually looks like, and four bare-bones Go programs that walk from the bug to the fix — naive retry, exponential backoff, jitter, singleflight.
reliability
go
retry
backoff
distributed-systems
What each letter in SOLID actually buys you — written as five bare-bones Go programs, one per principle.
design
go
solid
oop
Welcome to KoffeeAndKode! A developer blog where I'll share technical insights, tutorials, and prototype documentation.
announcement
blog
introduction