A deep technical guide to LocalStack 2026 — running 110+ AWS services locally, integrating with Terraform, CDK, and CI pipelines, understanding the fidelity gaps that matter, and the major structural changes that ended the free community edition.
Development
-
LocalStack: AWS Development Without the Cloud Bill -
Local Development Environments: Dev Containers, Nix Flakes, and Reproducible Setups A comprehensive guide to eliminating 'works on my machine' problems using Dev Containers, Nix flakes, and mise — covering everything from simple devcontainer.json configs to full Nix-based reproducible environments, docker-compose service integration, CI parity, and real-world examples by stack.
-
Docker Best Practices for Local Development Container optimization, volume mounts, multi-stage builds, and common pitfalls to avoid.
-
The Case for Boring Technology Why proven tools often beat the latest frameworks.
-
Systematic Debugging Strategies Debugging is not guessing with extra steps. It is a discipline of forming hypotheses, designing experiments that can disprove them, and binary-searching the gap between a working state and a broken one. This is a working engineer's field guide to reproduction, bisection, observability-driven debugging, concurrency and heisenbugs, production debugging without a debugger, and turning every fixed bug into a test that keeps it dead.