Erro ao realizar build do Dockerfile

[pablotdv]

Ao rodar

docker build .

Estou tendo o seguinte erro

[+] Building 12.0s (6/11)                                                                                                            
 => [internal] load build definition from Dockerfile                                                                            0.0s
 => => transferring dockerfile: 38B                                                                                             0.0s
 => [internal] load .dockerignore                                                                                               0.0s
 => => transferring context: 2B                                                                                                 0.0s
 => [internal] load metadata for docker.io/library/golang:1.16                                                                  1.6s
 => [1/8] FROM docker.io/library/golang:1.16@sha256:5f6a4662de3efc6d6bb812d02e9de3d8698eea16b8eb7281f03e6f3e8383018e            0.0s
 => CACHED [2/8] WORKDIR /go/src                                                                                                0.0s
 => ERROR [3/8] RUN go get -u github.com/spf13/cobra@latest &&     go install github.com/golang/mock/[email protected] &&     go  10.4s
------                                                                                                                               
 > [3/8] RUN go get -u github.com/spf13/cobra@latest &&     go install github.com/golang/mock/[email protected] &&     go install github.com/spf13/cobra-cli@latest:
#6 10.38 go get github.com/spf13/cobra@latest: module github.com/spf13/cobra: Get "https://proxy.golang.org/github.com/spf13/cobra/@v/list": dial tcp: lookup proxy.golang.org on 172.17.192.1:53: read udp 172.17.0.2:38208->172.17.192.1:53: i/o timeout
------
executor failed running [/bin/sh -c go get -u github.com/spf13/cobra@latest &&     go install github.com/golang/mock/[email protected] &&     go install github.com/spf13/cobra-cli@latest]: exit code: 1