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docker-build-push/test/multi-sudo.Dockerfile

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# syntax=docker/dockerfile:1
FROM --platform=$BUILDPLATFORM golang:alpine AS build
ARG TARGETPLATFORM
ARG BUILDPLATFORM
RUN echo "I am running on $BUILDPLATFORM, building for $TARGETPLATFORM" > /log
RUN apk --update --no-cache add \
shadow \
sudo \
&& addgroup -g 1200 buildx \
&& adduser -u 1200 -G buildx -s /sbin/nologin -D buildx \
&& echo 'buildx ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers \
&& rm -rf /tmp/* /var/cache/apk/*
USER buildx
RUN sudo chown buildx. /log
USER root
FROM alpine
COPY --from=build /log /log
RUN ls -al /log