Local: VSCode + codex + docker compose + SDKMAN! + nvm
SCM: GitHub monorepo
Frontend: TypeScript + React + Vite
Backend: Java + SpringBoot + Gradle
Container: Docker + ECR
CI/CD: GitHub Actions
Frontend Hosting: S3 + CloudFront
Backend Hosting: ALB + ECS + Fargate
DB: PostgreSQL (AWS RDS) + Flyway
Observability: CloudWatch