Composable without the tax: Inside Next-Hydra, an open-source reference stack for production commerce

Composable promised flexibility and best-in-class providers. Too often it delivers integration spaghetti, brittle releases, and a developer experience that loses to the monoliths it was meant to replace. That gap is the composable tax.

Next-Hydra (next-hydra.dev) is an open-source, MIT-licensed TypeScript monorepo template, built at Jakala, that exists to close that gap. It composes Contentstack, Commercetools, WorkOS, and a production-grade ops layer into a single Next.js codebase one full-stack team can ship from on day one.
The session walks through three architectural decisions that close the gap:

Domain-driven composition - cms, commerce, auth, security, observability, i18n, and feature flags live in typed packages with adapter boundaries. The app stays a thin orchestration wrapper, and provider swaps stop being theoretical.

End-to-end type safety - GraphQL with gql.tada keeps queries, fragments, and UI contracts aligned across packages. Schema or API changes surface as compile errors, not runtime regressions.

Production hardening from day one - security, observability, rate limiting, feature flags, transactional email, and Contentstack Visual Builder ship inside the template. Composable systems fail in operations more often than in architecture.

The same boundaries make the codebase legible for AI coding agents to extend safely, which is increasingly how teams ship.

Attendees should have working familiarity with modern Next.js, headless CMS patterns, and basic TypeScript.

Attendees leave with a checklist for evaluating any composable starter, a framework for auditing whether their stack’s composability is real or only nominal, and a clearer view of which operational guardrails belong inside the template instead of in a backlog.

Alexei Gorobet is Director of Engineering at Jakala, a software engineer and architect specializing in multi-site and platform system design, search, headless architectures, and emerging technologies. Over the last decade he has architected complex systems for clients across higher education, media, manufacturing, retail, and healthcare. He leads a team of software architects who share a common passion for software design