A tour of Hrafnsyn, a Phoenix LiveView app that merges ADS-B aircraft and AIS vessel data into one operational map, packages cleanly with Nix, and now runs as a real deployed service.
Building your own private Cachix-style Nix binary cache on NixOS with Attic, Garage, PostgreSQL, sops-nix, multi-tenant token scoping, and GitHub Actions.
Why the nixpkgs postgres_exporter might not be enough, and how to package pg_exporter from the Pigsty project as a NixOS module — with Nix-native YAML collector configuration, one-toggle Grafana dashboards, and Prometheus wiring.
Upgrading PostgreSQL across four major versions on a NixOS server using flake-native scripts — reproducible, atomic, and with human checkpoints where they matter.