Deploy Next.js 14 SaaS to Vercel — Clerk + Stripe + Supabase + BullMQ Worker

Description: I have a complete, production-ready Next.js 14 SaaS codebase that needs to be deployed and configured. The code is done — this is a setup and deployment job, not development. Tech Stack: Next.js 14 · TypeScript · Clerk (auth) · Stripe (subscriptions + webhooks) · Supabase (PostgreSQL + Storage) · Prisma ORM · BullMQ + Upstash Redis · Resend (email) · Sentry · Vercel · Railway (worker) What I need: • Set up 8 service accounts (step-by-step guide provided) • Configure all environment variables in Vercel • Run Prisma migrations (db push) • Create Supabase storage bucket + policies • Configure Stripe products (3 subscription tiers + metered overage prices + webhooks) • Configure Clerk webhooks • Deploy main app to Vercel • Deploy BullMQ worker to Railway • Run end-to-end testing checklist (14 items provided) • Fix any issues that come up dur