Caddy and Nginx are reverse proxies that sit in front of web applications, receive user traffic, handle edge behavior such as HTTPS and routing, and forward requests to backend services.
The practical difference is this: Caddy is usually simpler to launch securely, while Nginx gives more explicit control and a larger operational ecosystem.
That is the real comparison.
Both can run production workloads. Both can proxy traffic to applications. Both can serve websites, APIs, dashboards, and internal tools. The question is not whether Caddy or Nginx is "good enough." They both are.
The better question is:
