ARG GOLANG=golang:1.16.2-alpine3.12 FROM ${GOLANG} COPY --from=plugins/manifest:1.2.3 /bin/* /bin/ RUN apk -U --no-cache add bash ARG DOCKER_USERNAME ENV DOCKER_USERNAME $DOCKER_USERNAME ARG DOCKER_PASSWORD ENV DOCKER_PASSWORD $DOCKER_PASSWORD ARG DRONE_TAG ENV DRONE_TAG $DRONE_TAG COPY ./scripts/manifest /bin/ RUN manifest