Web / Caddy Server Interview questions
When would you choose Caddy over Traefik?
| Aspect | Caddy | Traefik |
| Primary config style | Caddyfile or JSON, edited directly or via admin API | Labels/annotations read from Docker, Kubernetes, Consul, etc. |
| Best fit | Standalone servers, VMs, or simple container setups with a config you maintain yourself | Dynamic container/orchestrator environments where services register themselves |
| Static file serving | Built-in, first-class file_server | Primarily a router/proxy; static serving is secondary |
| Auto HTTPS trigger | Any public hostname in config | Similarly automatic, driven by provider labels/rules |
Caddy tends to be the better fit when you're managing servers directly and want one clear config file plus static file serving without extra glue. Traefik tends to win in Kubernetes or Docker Swarm environments where routes should update themselves automatically as services scale up and down, since it's built specifically to watch an orchestrator's API rather than a static config file.
Traefik is typically favored in environments where:
Caddy's built-in file_server gives it an edge over Traefik when:
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