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Supabase · Postgres + Auth + Edge Functions + Realtime
Postgres database (78 tables for lingua alone), Supabase Auth (millions of authentications), Edge Functions (5 production gateways including ai-gateway), Realtime (lesson rooms + parent-portal updates). Every user-facing data interaction touches Supabase.
Integration shape
Database: 80+ tables across lingua and shared schemas. Row-level access-control policies on every table. Edge Functions: ai-gateway (LLM chokepoint), TTS gateway, image gateway, STT gateway, video gateway. Realtime: lesson-room participant updates + parent-portal live notifications. Auth: email + magic link + passkeys + (future) SAML.
Value exchange
Supabase gets: substantial production traffic + reference customer for edtech + a complex multi-tenant deployment showing Supabase scaling capabilities. Koydo gets: managed Postgres + Auth + Edge Functions at startup pricing, GIST + GIN extensions for vector search + full-text search, real-time subscriptions, row-level access-control policies as the security baseline.
Fit note
Supabase replaces a separate Postgres host + separate Auth provider + separate edge runtime + separate realtime layer. The consolidation is the value. AWS RDS or self-hosted Postgres alternatives would multiply ops overhead 5-10×.