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household-bot/docs/decisions/ADR-001-tech-stack.md
Stas 4a26ac81d6 Codex/whe 15 bootstrap workspace (#1)
* feat(WHE-15): bootstrap bun workspace with app and package scaffolds

* chore(WHE-17): switch workspace typecheck to tsgo

* chore(WHE-16): configure oxlint and oxfmt no-semicolon style

* chore: address CodeRabbit review feedback

* chore: apply coderabbit fixes and add review script

* docs: add ADR decision metadata
2026-03-05 00:56:24 +03:00

1.5 KiB

ADR-001: V1 Tech Stack

Status

Accepted

Decision Date: 2026-03-05 Owners: Stanislav Kalishin

Context

The project needs to be modern, modular, and scalable while still delivering v1 quickly.

Decision

  • Runtime/package manager/test runner: Bun
  • Language: TypeScript (strict mode)
  • Bot framework: grammY
  • Database: Supabase Postgres
  • Deployment runtime: Google Cloud Run
  • Scheduling: Google Cloud Scheduler
  • Frontend mini app: SolidJS (Vite SPA) + Tailwind
  • Validation: Zod
  • Linting: Oxlint
  • Error tracking: Sentry
  • Logging/metrics baseline: Cloud Logging/Monitoring

Rationale

  • Bun provides a fast unified developer workflow.
  • grammY is TypeScript-friendly with strong middleware patterns.
  • Supabase keeps SQL-first data modeling while reducing ops overhead.
  • Cloud Run + Scheduler offers serverless simplicity and predictable scheduling.
  • Solid SPA provides modern UI performance with lightweight runtime cost.
  • Oxlint enables fast linting suitable for small-commit workflow.

Consequences

Positive:

  • Strong portfolio architecture with pragmatic service count.
  • Clear path to production without heavy platform ops.

Negative:

  • Some enterprise tooling (Prometheus/Grafana/K8s) is deferred.
  • Serverless constraints require disciplined idempotency and stateless design.

Alternatives Considered

  • Fly.io runtime: good DX, but Cloud Run better matches serverless objective.
  • Convex backend: strong DX, but SQL/reporting fit is weaker for financial ledger.
  • Telegraf bot framework: mature ecosystem, but less desirable TS ergonomics.