Boundary is a monorepo of 20 libraries, each independently publishable to Clojars. Every library follows the same FC/IS structure, making the codebase instantly familiar across modules.
| Library | Purpose |
|---|---|
Foundation: validation framework, case/type conversion utilities, interceptor pipeline, feature flags. No shell layer — entirely pure functions. | |
Cross-cutting observability: structured logging, metrics, tracing breadcrumbs, and pluggable error reporters (Datadog, Sentry). | |
HTTP routing/interceptors, database integration, CLI/runtime wiring. Infrastructure for feature modules. | |
Shared UI contract: centralized CSS/JS bundles, tokens, and reusable style conventions across modules. |
| Library | Purpose |
|---|---|
Authentication, authorization, MFA (TOTP), session management, JWT tokens. | |
Auto-generated CRUD admin UI from schema. Hiccup + HTMX, no frontend build step. | |
File storage: local filesystem and AWS S3 / S3-compatible backends. | |
Interactive module code generator. Generates FC/IS modules with tests and migrations. | |
Distributed caching with TTL, atomic operations, and multi-tenant isolation. Redis and in-memory backends. | |
Background job processing with priority queues, retries, exponential backoff, multi-tenant support. | |
Email sending: SMTP, async, and queued via jobs integration. | |
Multi-tenancy with PostgreSQL schema-per-tenant isolation. Requires PostgreSQL. | |
WebSocket real-time communication, JWT auth, topic-based pub/sub. |
| Library | Purpose |
|---|---|
External service adapters: Stripe payments, Twilio SMS/WhatsApp, SMTP/IMAP. | |
Declarative state machine workflows with permission-based transitions and audit trail. | |
Full-text search: PostgreSQL FTS with LIKE fallback for H2/SQLite. | |
PDF, Excel (XLSX), and Word (DOCX) generation via | |
Recurring events, RRULE recurrence (DST-aware), iCal export/import, conflict detection. | |
Geocoding (OSM/Google/Mapbox), DB-backed cache, rate limiting, Haversine distance. | |
Framework-aware AI tooling: NL scaffolding, error explainer, test generator, SQL copilot, docs wizard. |
All libraries share the org.boundary-app group:
{org.boundary-app/boundary-core {:mvn/version "1.0.0-alpha"}
org.boundary-app/boundary-user {:mvn/version "1.0.0-alpha"}
org.boundary-app/boundary-admin {:mvn/version "1.0.0-alpha"}
org.boundary-app/boundary-platform {:mvn/version "1.0.0-alpha"}
;; etc.
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