Let’s be real for a second: setting up a web server is usually the part of a project I dread the most. Usually, it involves wrestling with Nginx config syntax, manually setting up Certbot for SSL, and then crossing my fingers that the auto-renewal doesn’t break three months from now.
Enter Caddy.
I’ve been hearing a lot of buzz about it lately, so I decided to dive in and see if it actually lives up to the hype of being the “modern” web server. Here’s the breakdown.
The Good Stuff (Advantages)
1. Automatic HTTPS (The “Killer Feature”) This is the reason most people switch. Caddy handles SSL certificates by default. It talks to Let’s Encrypt or ZeroSSL automatically, gets the cert, and renews it without you lifting a finger. No more Certbot cron jobs. It just… works.
2. The Caddyfile is a Dream
If you’ve ever stared at a 100-line Nginx config file and felt a headache coming on, you’ll love the Caddyfile. It’s human-readable and incredibly concise. A basic reverse proxy in Caddy is literally one line:
example.com { reverse_proxy localhost:8080 }
My Lab Configuration
For this test, I used the following:
Physical Hardware NUC 32GB RAM, 12 Core CPU, 1 TB SSD 2 x Raspberry Pi 5
Workloads/Apps/Services Gemini Code Assist Extension in VScode Claude Code Extension in VScode Isolated Ubuntu Sandbox Servers
The Good Stuff (Advantages)
1. Automatic HTTPS (The “Killer Feature”) This is the reason most people switch. Caddy handles SSL certificates by default. It talks to Let’s Encrypt or ZeroSSL automatically, gets the cert, and renews it without you lifting a finger. No more Certbot cron jobs. It just… works.
2. The Caddyfile is a Dream
If you’ve ever stared at a 100-line Nginx config file and felt a headache coming on, you’ll love the Caddyfile. It’s human-readable and incredibly concise. A basic reverse proxy in Caddy is literally one line:
example.com { reverse_proxy localhost:8080 }
3. HTTP/3 Support Caddy is written in Go and stays on the bleeding edge. It supports HTTP/3 out of the box, which is great if you’re looking to squeeze every bit of performance out of your site’s delivery.
4. Single Static Binary Because it’s Go-based, Caddy is just one file. No complicated dependencies to install on your server. Just grab the binary and go.
The Not-So-Great Stuff (Disadvantages)
1. Smaller Community Nginx and Apache have been around since the dawn of time. If you have a weird, niche edge-case error, you might find fewer Stack Overflow threads for Caddy than you would for the “old guards.”
2. Documentation is… Different The official docs are thorough, but they can be a bit technical and assume you know your way around modern web concepts. It lacks the massive library of “how-to” tutorials that Nginx has accumulated over the last two decades.
3. Performance (For the 1%) Is it fast? Yes. Is it as fast as a perfectly tuned Nginx setup? Usually, no. If you are running a top-100 website on the planet with millions of concurrent hits, Nginx’s C-based architecture still holds the crown for raw throughput. (But for 99% of us, this doesn’t actually matter).
The Verdict
So, should you use it?
If you are a solo developer, a startup, or someone who manages their own side projects, yes. Absolutely. The amount of time you save on SSL configuration and maintenance alone makes it worth it. It’s elegant, modern, and takes the “busy work” out of hosting.
However, if you’re working in a massive enterprise environment that already has an Nginx workflow refined over 10 years, there’s probably no urgent need to jump ship just yet.
For my next project? I’m definitely sticking with Caddy. My “SSL-renewal-anxiety” is officially gone.
Final Score: 3/5 ⭐️ It works
References
- Caddy: https://caddyserver.com/docs/