Logging Log Redaction Logging Logging is disabled by default, and you can enable it by passing { logger: true } or { logger: { level: 'info' } } when you create the fastify ...

Serverless Contents Attention Readers: AWS Lambda app.js lambda.js Example Considerations Google Cloud Run Adjust Fastify server Add a Dockerfile Add a .dockerignore Sub...

V3 Migration Guide Breaking changes Changed middleware support ( #2014 ) Changed logging serialization ( #2017 ) Changed schema substitution ( #2023 ) Changed schema validati...

Plugins Plugin Options Route Prefixing option Error handling Create a plugin Handle the scope Plugins Fastify allows the user to extend its functionalities with plugins. A...

Plugins Plugin Options Route Prefixing option Error handling Create a plugin Handle the scope Plugins Fastify allows the user to extend its functionalities with plugins. A...

Warnings Warnings Warnings In Fastify Fastify Warning Codes Fastify Deprecation Codes Warnings Table of contents Warnings Warnings In Fastify Fastify Warning Codes FST...

Index Core Documents Reference Documentation Table Of Contents Index Core Documents For the full table of contents (TOC), see below . The following list is a subset of the fu...

TypeScript Learn By Example Getting Started Using Generics JSON Schema Plugins Creating a TypeScript Fastify Plugin Creating Type Definitions for a Fastify Plugin Using a Plu...

Hooks Request/Response Hooks The onError Hook The preSerialization Hook The onSend Hook The onResponse Hook Respond to a request from a hook Application Hooks Scope Route ...

Logging Log Redaction Logging Logging is disabled by default, and you can enable it by passing { logger: true } or { logger: { level: 'info' } } when you create a fastify in...