What am I using?

The tech stack, tools and services I build backend, frontend and ML pipelines on.

The production stack

Three microservices plus a Telegram bot on a Hetzner VPS, running daily.

Backend

  • Spring Boot3.4 · Java 21
  • PostgreSQL16
  • Redis Stack7
  • Mavenbuild
  • Flywaymigrations

Frontend

  • Angular21 SSR
  • TypeScript5.9
  • Vitestunit test
  • Playwrighte2e

ML and on-prem AI

  • FastAPIPython 3.12
  • Ollamallama3.1:8b · on-prem
  • RediSearch HNSWvector store
  • sentence-transformersembedding

Infrastructure and deploy

  • Hetzner VPShosting
  • Nginxreverse proxy
  • systemdprocess manager
  • Let's EncryptTLS
  • CloudflareDNS/CDN