&& curl -fsSL -k https://dl.google.com/go/go${go_version}.src.tar.gz | tar zx --strip-components=1 -C ${go_install_dir} \
&& cd ${go_install_dir}/src/ \
&& ./make.bash \
&& curl -fsSL -k https://dl.google.com/go/go${go_version}.src.tar.gz | tar zx --strip-components=1 -C ${go_install_dir} \
&& cd ${go_install_dir}/src/ \
&& ./make.bash \
&& chmod +x /usr/local/bin/dep \
&& mkdir -p ${GOPATH}/src/github.com/kubernetes-incubator/metrics-server/ \
&& curl -fsSL -k https://github.com/kubernetes-incubator/metrics-server/archive/v${METRICS_SERVER_VERSION}.tar.gz | tar zx --strip-components=1 -C ${GOPATH}/src/github.com/kubernetes-incubator/metrics-server/ \
&& chmod +x /usr/local/bin/dep \
&& mkdir -p ${GOPATH}/src/github.com/kubernetes-incubator/metrics-server/ \
&& curl -fsSL -k https://github.com/kubernetes-incubator/metrics-server/archive/v${METRICS_SERVER_VERSION}.tar.gz | tar zx --strip-components=1 -C ${GOPATH}/src/github.com/kubernetes-incubator/metrics-server/ \
&& dep ensure --vendor-only \
# static linking added
&& sed -i "s?LDFLAGS=-w \$(VERSION_LDFLAGS)?LDFLAGS='-extldflags "-static"' -w \$(VERSION_LDFLAGS)?" ./Makefile \
&& dep ensure --vendor-only \
# static linking added
&& sed -i "s?LDFLAGS=-w \$(VERSION_LDFLAGS)?LDFLAGS='-extldflags "-static"' -w \$(VERSION_LDFLAGS)?" ./Makefile \