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Comment by tfigment | Hacker News Reader

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.

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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...

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