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Decrease docker image size by 200MB #3540

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5 changes: 2 additions & 3 deletions images/Dockerfile
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ RUN export RUNNER_ARCH=${TARGETARCH} \
&& if [ "$RUNNER_ARCH" = "amd64" ]; then export DOCKER_ARCH=x86_64 ; fi \
&& if [ "$RUNNER_ARCH" = "arm64" ]; then export DOCKER_ARCH=aarch64 ; fi \
&& curl -fLo docker.tgz https://download.docker.com/${TARGETOS}/static/stable/${DOCKER_ARCH}/docker-${DOCKER_VERSION}.tgz \
&& tar zxvf docker.tgz \
&& tar -C /tmp -zxvf docker.tgz \
&& rm -rf docker.tgz \
&& mkdir -p /usr/local/lib/docker/cli-plugins \
&& curl -fLo /usr/local/lib/docker/cli-plugins/docker-buildx \
Expand Down Expand Up @@ -61,7 +61,6 @@ WORKDIR /home/runner

COPY --chown=runner:docker --from=build /actions-runner .
COPY --from=build /usr/local/lib/docker/cli-plugins/docker-buildx /usr/local/lib/docker/cli-plugins/docker-buildx

RUN install -o root -g root -m 755 docker/* /usr/bin/ && rm -rf docker
COPY --chown=root:root --chmod=755 --from=build /tmp/docker/* /usr/bin/

USER runner