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Documentation

Getting Started

Introduction
Installation
Quick Start
Scaffold a Project
Dev and Production

Core Concepts

App and Routing
Context
Errors
Binding and Validation
Configuration

Middleware

Middleware Overview
Built-in Middleware

Auth and Sessions

JWT, API Keys, and Roles
Sessions

Data Layer

SQL Databases
MongoDB
Store, Queue, and PubSub
Migrations

Ops and Observability

Health Checks
Prometheus Metrics
OpenTelemetry
OpenAPI and Swagger UI
Production Checklist

Realtime

WebSocket
Server-Sent Events

CLI

CLI Commands

AI Agent Rules

Install Agent Rules
Cursor Rules
Claude Rules
Codex / AGENTS.md

Testing

Test Helpers

Project Structure

Recommended Layout

Ops and Observability

Prometheus Metrics

Request metrics middleware and a protected /metrics endpoint.

PreviousHealth Checks NextOpenTelemetry

Created by Ventsislav Arnaudov

Docs GitHub varnaudov.com