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Comment by loganmarchione | Hacker News Reader

I don't think any large corporations are using Caddy. Everywhere I've worked has used Nginx for any high-traffic applications.

As a side note, I'm looking at Traefik in my homelab and it's honestly difficult because I'm so comfortable with Nginx.

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There are several large corporations using Caddy. Several companies you've heard of and probably used the products of! I have a call with one of them every few weeks.

I also know a huge hospital chain in the US is using Caddy.

Caddy has problems with streaming gRPC (not simple request/response). So does Traefik to my understanding but Traefik might work better if reports are to be believed. Nginx has support i think but ive not verified it. I like caddy simple config when it works.

None of the proxies seem to do well with bidirectional gRPC streams as they just treat gRPC as a h2 proxy but I'd love to see that proven wrong.

Caddy is capable of handling bidirectional gRPC streams! I have just tested it, and it works just fine. Caddy will immediately flush writes when upstream is `h2` or `h2c`[0] instead of having to wait until reading from socket is complete

I used this Caddyfile to proxy to the route_guide example (https://github.com/grpc/grpc-go/tree/master/examples/route_g...):

```

localhost {

    reverse_proxy  h2c://localhost:50051

}

```

It works like a charm.

[0] https://github.com/caddyserver/caddy/blob/e4ce40f8ff04240540...

It's difficult because of the boilerplate. Compare traefik with caddy-docker-proxy. Same feature set but only 30% of the code

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