There is no need to set rlimit in go 1.19

internal/utils/rlimit.go

-//go:build !windows
-// +build !windows
-
-package utils
-
-import (
-	"fmt"
-
-	"golang.org/x/sys/unix"
-)
-
-func SetLimits() error {
-	rLimit := unix.Rlimit{}
-	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
-		return fmt.Errorf("cannot get rlimit: %w", err)
-	}
-
-	rLimit.Cur = rLimit.Max
-
-	if err := unix.Setrlimit(unix.RLIMIT_NOFILE, &rLimit); err != nil {
-		return fmt.Errorf("cannot set rlimit: %w", err)
-	}
-
-	return nil
-}

internal/utils/rlimit_windows.go

-//go:build windows
-// +build windows
-
-package utils
-
-func SetLimits() error {
-	return nil
-}

main.go

 	"time"
 
 	"github.com/9seconds/mtg/v2/internal/cli"
-	"github.com/9seconds/mtg/v2/internal/utils"
 	"github.com/alecthomas/kong"
 )
 
 func main() {
 	rand.Seed(time.Now().UTC().UnixNano())
 
-	if err := utils.SetLimits(); err != nil {
-		panic(err)
-	}
-
 	cli := &cli.CLI{}
 	ctx := kong.Parse(cli, kong.Vars{
 		"version": getVersion(),