ARG TAG FROM job79/base:${TAG} USER root RUN GO_VERSION=$(curl -sL "https://go.dev/VERSION?m=text" | head -n 1 | tr -d '\r\n') && \ curl -sL "https://go.dev/dl/${GO_VERSION}.linux-amd64.tar.gz" | tar xz -C /usr/local/bin --strip-components=2 go/bin/go go/bin/gofmt USER user