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Caddy vs Puma: What are the differences?
Caddy: The HTTP/2 Web Server with Automatic HTTPS. Caddy is a production-ready open-source web server that is fast, easy to use, and makes you more productive. HTTP/2 and HTTPS by default; Puma: A Modern, Concurrent Web Server for Ruby. Unlike other Ruby Webservers, Puma was built for speed and parallelism. Puma is a small library that provides a very fast and concurrent HTTP 1.1 server for Ruby web applications.
Caddy and Puma can be categorized as "Web Servers" tools.
"Easy HTTP/2 Server Push" is the primary reason why developers consider Caddy over the competitors, whereas "Easy" was stated as the key factor in picking Puma.
Caddy and Puma are both open source tools. It seems that Caddy with 22.7K GitHub stars and 1.79K forks on GitHub has more adoption than Puma with 5.78K GitHub stars and 987 GitHub forks.
According to the StackShare community, Puma has a broader approval, being mentioned in 73 company stacks & 30 developers stacks; compared to Caddy, which is listed in 14 company stacks and 5 developer stacks.
Pros of Caddy
- Easy HTTP/2 Server Push6
- Sane config file syntax6
- Builtin HTTPS4
- Letsencrypt support2
- Runtime config API2
Pros of Puma
- Convenient3
- Free3
- Easy3
- Multithreaded2
- Default Rails server2
- First-class support for WebSockets2
- Consumes less memory than Unicorn2
- Lightweight1
- Fast1
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Cons of Caddy
- New kid3
Cons of Puma
- Uses `select` (limited client count)0