docker-compose build sfu failed, undefined: webrtc.Track

[echoisles]

environment.

• ion version: 029e44c
• docker info:
  • Client: Docker Engine - Community
  • Version: 19.03.13
  • API version: 1.40
  • OS/Arch: linux/amd64
    docker-compose build sfu
    ...
    ...
    150Step 9/15 : RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /sfu .
    151---> Running in 54e06b35f4bd
    152# github.com/pion/ion-sfu/pkg
    153/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/buffer.go:66:23: undefined: webrtc.Track
    154/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:23:11: undefined: webrtc.Track
    155/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:31:42: undefined: webrtc.Track
    156/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:40:18: undefined: webrtc.Track
    157/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:53:61: undefined: webrtc.Track
    158/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:136:35: undefined: webrtc.Track
    159/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/router.go:29:21: undefined: webrtc.Track
    160/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/sender.go:26:11: undefined: webrtc.Track
    161/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/simulcastsender.go:25:18: undefined: webrtc.Track
    162/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/subscriber.go:30:23: undefined: webrtc.Track
    163/go/pkg/mod/github.com/pion/ion-sfu@v1.5.1/pkg/receiver.go:136:35: too many errors
    164# github.com/coreos/etcd/clientv3/balancer/resolver/endpoint
    165/go/pkg/mod/github.com/coreos/etcd@v3.3.25+incompatible/clientv3/balancer/resolver/endpoint/endpoint.go:114:78: undefined: resolver.BuildOption
    166/go/pkg/mod/github.com/coreos/etcd@v3.3.25+incompatible/clientv3/balancer/resolver/endpoint/endpoint.go:182:31: undefined: resolver.ResolveNowOption
    167# github.com/coreos/etcd/clientv3/balancer/picker
    168/go/pkg/mod/github.com/coreos/etcd@v3.3.25+incompatible/clientv3/balancer/picker/err.go:37:44: undefined: balancer.PickOptions
    169/go/pkg/mod/github.com/coreos/etcd@v3.3.25+incompatible/clientv3/balancer/picker/roundrobin_balanced.go:55:54: undefined: balancer.PickOptions
    170The command '/bin/sh -c CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /sfu .' returned a non-zero code: 2
    171{"exitCode":8, "message":"docker build failed or timeout[2]"}