Build a Production-Ready Deno 2.0 REST API with Oak 12.0 and PostgreSQL 16.0 Introduction Deno 2.0 brings stability, backwards compatibility, and production-grade features, while Oak 12.0 remains the go-to middleware framework for Deno HTTP servers. Paired with PostgreSQL 16.0’s performance improvements and JSON enhancements, this stack is ideal for scalable REST APIs. This tutorial walks through building a CRUD API for a task management app, with production-ready additions like connection pooling, validation, error handling, and Docker deployment. Prerequisites Deno 2.0+ installed (verify with deno --version ) PostgreSQL 16.0+ running locally or via a cloud provider Basic knowledge of REST APIs, SQL, and TypeScript Postman or curl for testing endpoints Project Initialization Create a new directory for your project and initialize a Deno project: mkdir deno-oak-postgres-api && cd deno-oak-postgres-api deno init --force Enter fullscreen mode Exit fullscreen mode Install Oak 12.0 and the PostgreSQL…