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Frameworks & web · #fastify
Learn how to diagnose and fix hanging requests in Fastify, from identifying event loop blockage and missing next() calls to resolving database connection pool exhaustion.
Learn when to use Fastify's built‑in JSON Schema for request validation and response serialization, see trade‑offs, and view a shared‑schema example.
Learn when to use Fastify's built-in JSON Schema validation versus custom preHandler logic to optimize API performance and maintain data integrity.
Stop writing repetitive validation logic. Learn how Fastify uses JSON Schema and fast-json-stringify to automate input validation and prevent accidental data leaks in your API responses.
I am developing a Fastify plugin that adds a decorator based on the current database schema. When I need to alter the schema, I want to be able to revert the plugin’s changes if the migration fails, while keeping the plugin encapsulated and its dependencies validated through fastify-plugin. The plugin is registered with a name, dependencies, and encapsulate:
I already have my server application written in Node, PostgreSQL, Sequelize using Fastify. Now I would like to use TypeScript. Can anyone tell me how to begin rewriting my Server application using TypeScript.
nodejs