fix: Use local iperf3 binary

build/Dockerfile

@@ -10,7 +10,9 @@ RUN go build -trimpath -o out/sti ./cmd/sti/*.go
 
 FROM alpine:3.18
 
-RUN apk add ca-certificates
+RUN apk add \
+  ca-certificates \
+  iperf3
 COPY --from=builder /root/sti/out/sti /usr/local/bin/sti
 
 ENTRYPOINT ["sti"]

go.mod

@@ -50,4 +50,5 @@ require (
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.19.0
+	github.com/willfantom/go-iperf v0.1.0
 )

go.sum

@@ -126,6 +126,8 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
+github.com/willfantom/go-iperf v0.1.0 h1:diJjOhQ1uW2M3Mod4X1oMUeJhvhfuHRFSESe06KcK7w=
+github.com/willfantom/go-iperf v0.1.0/go.mod h1:iVFZtGCNccG+CZixaz2Am92t5tU1Pp3w3UVHWr7Guy0=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=

pkg/iperf/iperf.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"net/netip"
 
-	iperfcli "github.com/BGrewell/go-iperf"
+	iperfcli "github.com/willfantom/go-iperf"
 	"github.com/willfantom/sti/pkg/tester"
 )