roadrunner-php/goridge call golang code from php in docker

I use https://github.com/roadrunner-php/goridge and https://github.com/roadrunner-server/goridge

.rr.dev.yaml

    version: "2.7"

    server:
        command: "php bin/road-runner-console baldinof:roadrunner:worker"
        env:
            - APP_RUNTIME: Baldinof\RoadRunnerBundle\Runtime\Runtime

    
    go_worker:
        command: "go run main.go"
        env:
            - GOOS: linux
            - GOARCH: amd64

main.go

    package main

    import (
            "fmt"
            "net"
            "net/rpc"

            goridgeRpc "github.com/roadrunner-server/goridge/v3/pkg/rpc"
    )

    type App struct{}

    func (s *App) Hi(name string, r *string) error {
            *r = fmt.Sprintf("Hello, %s!", name)
            return nil
    }

    func main() {
        fmt.Println("Hello")

            ln, err := net.Listen("tcp", ":6001")
            if err != nil {
                    panic(err)
            }

            _ = rpc.Register(new(App))

            for {
                    conn, err := ln.Accept()
                    if err != nil {
                            continue
                    }
                    _ = conn
                    go rpc.ServeCodec(goridgeRpc.NewCodec(conn))
            }
    }

php code

    $tcpRPC = new Goridge\RPC\RPC(Goridge\Relay::create('tcp://127.0.0.1:6001'));

    $r = $tcpRPC->call("App.Hi",  "Antony");

    var_dump(
        $r
    ); echo __METHOD__.':'.__LINE__;die();

run rr

bin/rr-server serve .rr.dev.yaml -d

output

{"level":"debug","ts":1729072653.5290942,"logger":"rpc","msg":"plugin was started","address":"tcp://127.0.0.1:6001","list of the plugins with RPC methods:":["informer","resetter","app"]}
[INFO] RoadRunner server started; version: 2.12.3, buildtime: 2023-02-16T13:08:41+0000

run console php command

  "exception" => Spiral\Goridge\RPC\Exception\ServiceException^ {
    #message: "Error 'rpc: can't find service App.Hi' on tcp://127.0.0.1:6001"

all this in docker. maybe you need to forward ports somehow. but in general I run the server launch and command inside the container – in different consoles

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