Postil

Open-source AI pull request reviewer. Managed SaaS at postil.dev, or self-host under Apache-2.0.

Stack

• Next.js 15 (App Router, TypeScript) on Bun
• Better Auth + @polar-sh/better-auth (billing)
• Trigger.dev v4 for durable jobs
• Drizzle ORM on Postgres (Neon in managed mode)
• GitHub App via Octokit
• PostHog (EU) for analytics, errors, logs
• Cloudflare DNS + CDN in front of Fly.io Machines
• Sandbox drivers: Fly Machines (default), E2B (stub), Docker (self-host stub)

Local dev

bun install
cp .env.example .env.local   # fill in secrets
make db-up                   # postgres + redis
bun run db:migrate
bun run dev

In a second shell, bun run trigger:dev for the Trigger.dev worker.

Self-host

docker compose --profile app up --build

See the SandboxDriver interface in src/sandbox/driver.ts if you want to plug in your own execution backend.

Commands

target	description
bun run dev	Next dev server (turbopack)
bun run build	Production build
bun run lint	Biome lint
bun run format	Biome format
bun run typecheck	TypeScript check
bun run test	Vitest unit tests
bun run test:e2e	Playwright end-to-end
make smoke	typecheck + lint + test + build

License

Apache-2.0.