caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

18 articles

How Caddy's Request Handling Middleware Works: A Deep Dive into the HTTP Pipeline

Explore Caddy's powerful request handling middleware. Understand how its modular HTTP pipeline intercepts, modifies, and passes requests for efficient processing.

deep-dive

Mar 3, 2026

How Does Caddy's HTTP/3 Support Work: A Deep Dive into QUIC Implementation

Discover how Caddy implements HTTP/3 using quic-go. Learn about its automatic QUIC listener creation, Alt-Svc advertisement, and graceful shutdown.

deep-dive

Mar 3, 2026

How Does Caddy's Certificate Automation Work? A Source Code Deep Dive

Explore Caddy's certificate automation source code. Learn how AutomationConfig, AutomationPolicies, and modular Issuers provision and renew TLS certificates automatically with CertMagic.

deep-dive

Mar 3, 2026

How Caddy's Process Lifecycle Works: Start, Stop, and Signal Handling

Understand Caddy's process lifecycle. Learn how Caddy starts, stops, and handles signals gracefully through configuration loading and app management. Explore the Caddy Go API.

internals

Mar 3, 2026

How Caddy Dynamic Config Loading Works: Runtime Configuration Without Restarts

Learn how Caddy dynamic config loading updates your server configuration without restarts using its admin API and external runtime fetching. Maximize uptime and flexibility.

internals

Mar 3, 2026

How @id Fields Work in Caddy Config: Complete Guide to Meta-Field Indexing

Understand how @id fields act as meta fields in Caddy config, assigning stable identifiers and creating admin API shortcuts before stripping them for runtime.

deep-dive

Mar 3, 2026

How Caddy's Context Cancellation Works: Three-Stage Cleanup Explained

Understand Caddy's context cancellation with its three-stage cleanup process. Learn how it handles reloads and shutdowns effectively. Discover Caddy's robust mechanism for managing operations.

internals

Mar 3, 2026

How Caddy Error Handling Works: HandlerError and the handle_errors Directive

Understand Caddy error handling with HandlerError and the handle_errors directive. Learn how Caddy manages HTTP status codes and custom error routes for robust applications.

internals

Mar 3, 2026

Caddy Version Management: How Build-Time Injection and Module Metadata Determine Version Strings

Learn how Caddy manages version strings using Go build info, VCS metadata, and custom overrides. Discover simple and full version details via caddy.Version().

internals

Mar 3, 2026

How the Caddy Context System Works: Module Lifecycle and Dependency Injection Explained

Understand the Caddy context system module lifecycle and dependency injection. Learn how Caddy manages configuration and graceful cleanup across its server architecture.

internals

Mar 3, 2026

How Caddy's Graceful Config Reloading Works: Zero-Downtime Configuration Updates

Learn how Caddy's graceful config reloading provides zero-downtime updates. Discover how it atomically swaps instances and reuses listeners for seamless changes.

internals

Mar 3, 2026

How Caddy's Config Adapter System Works: Converting Custom Formats to JSON

Discover how Caddy's config adapter system converts custom formats like the Caddyfile into its native JSON structure via a Go interface and global registry.

internals

Mar 3, 2026

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how caddyserver/caddy works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

Maintain an open-source project? Get it listed too →