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2 articles tagged nestjs.
Idempotent WhatsApp Webhooks in NestJS: Receiving Messages You Can't Process Twice
How Matcha handles WhatsApp Cloud API webhooks in NestJS: a verify-token handshake, HMAC signature checks, and a unique index that ignores retries.
nestjswebhooksintegrationbackend
Ports and Adapters in NestJS: A Domain That Doesn't Know About Mongo
How Matcha's NestJS backend uses ports, Symbol() tokens and one repository with two interchangeable adapters.
nestjsarchitecturehexagonalddd