Fix scripts/validate in dapper
Executing make validate will fail because we're not installing
goimports inside the dapper container.
This commit installs goimports inside dapper.
@@ -21,7 +21,8 @@ RUN apt-get -q update && \
curl https://storage.googleapis.com/kubernetes-helm/helm-v2.14.0-linux-amd64.tar.gz | tar -xzf - && \
cp linux-${ARCH}/helm /usr/bin/ && \
curl -Lo /usr/bin/kind https://github.com/kubernetes-sigs/kind/releases/download/v0.3.0/kind-linux-${ARCH} && chmod a+x /usr/bin/kind && \
- go get -v github.com/onsi/ginkgo/ginkgo && go get -v github.com/onsi/gomega/...
+ go get -v github.com/onsi/ginkgo/ginkgo && go get -v github.com/onsi/gomega/... && \
+ go get golang.org/x/tools/cmd/goimports
WORKDIR ${DAPPER_SOURCE}
