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caddy

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

by caddyserver · GitHub
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acmeautomatic-httpscaddyApache-2.0Go
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In plain words

Set up a web server that automatically secures your site with HTTPS.

From the README

Install
$ git clone "https://github.com/caddyserver/caddy.git"
$ cd caddy/cmd/caddy/
$ go build

Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.

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75k74k
2026-07-122026-08-31
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📄 About

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

caddy has 75.3k stars on GitHub. It has been forked 4.9k times. caddy is written mainly in Go. It has been in active development since 2015. caddy is available under the Apache-2.0 license. Its main topics are acme, automatic-https, caddy, caddyfile.

Frequently asked questions

What is caddy?

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

Is caddy open source?

caddy is an open-source project. It is released under the Apache-2.0 license.

Is caddy free?

Yes. caddy is free and open source — you can use, modify and self-host it.

What license does caddy use?

caddy is available under the Apache-2.0 license.

What language is caddy written in?

caddy is written mainly in Go.

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