ARG GO_VERSION=1.13.15

 
 FROM golang:${GO_VERSION}-alpine AS base

 ENV GO111MODULE=off

 RUN apk --no-cache add \

     bash \

     btrfs-progs-dev \

     build-base \
     curl \
     lvm2-dev \

     jq

 RUN mkdir -p /build/

 RUN mkdir -p /go/src/github.com/docker/docker/
 WORKDIR /go/src/github.com/docker/docker/
 

 FROM base AS frozen-images
 # Get useful and necessary Hub images so we can "docker load" locally instead of pulling
 COPY contrib/download-frozen-image-v2.sh /
 RUN /download-frozen-image-v2.sh /build \

 	buildpack-deps:buster@sha256:d0abb4b1e5c664828b93e8b6ac84d10bce45ee469999bef88304be04a2709491 \
 	busybox:latest@sha256:95cf004f559831017cdf4628aaf1bb30133677be8702a8c5f2994629f637a209 \
 	busybox:glibc@sha256:1f81263701cddf6402afe9f33fca0266d9fff379e59b1748f33d3072da71ee85 \
 	debian:buster@sha256:46d659005ca1151087efa997f1039ae45a7bf7a2cbbe2d17d3dcbda632a3ee9a \
 	hello-world:latest@sha256:d58e752213a51785838f9eed2b7a498ffa1cb3aa7f946dda11af39286c3db9a9

 # See also ensureFrozenImagesLinux() in "integration-cli/fixtures_linux_daemon_test.go" (which needs to be updated when adding images to this list)
 

 FROM base AS dockercli
 ENV INSTALL_BINARY_NAME=dockercli
 COPY hack/dockerfile/install/install.sh ./install.sh
 COPY hack/dockerfile/install/$INSTALL_BINARY_NAME.installer ./
 RUN PREFIX=/build ./install.sh $INSTALL_BINARY_NAME

 # Build DockerSuite.TestBuild* dependency
 FROM base AS contrib
 COPY contrib/syscall-test           /build/syscall-test
 COPY contrib/httpserver/Dockerfile  /build/httpserver/Dockerfile
 COPY contrib/httpserver             contrib/httpserver
 RUN CGO_ENABLED=0 go build -buildmode=pie -o /build/httpserver/httpserver github.com/docker/docker/contrib/httpserver
 
 # Build the integration tests and copy the resulting binaries to /build/tests

 FROM base AS builder

 # Set tag and add sources

 COPY . .

 # Copy test sources tests that use assert can print errors
 RUN mkdir -p /build${PWD} && find integration integration-cli -name \*_test.go -exec cp --parents '{}' /build${PWD} \;
 # Build and install test binaries

 ARG DOCKER_GITCOMMIT=undefined

 RUN hack/make.sh build-integration-test-binary

 RUN mkdir -p /build/tests && find . -name test.main -exec cp --parents '{}' /build/tests \;

 ## Generate testing image

 FROM alpine:3.10 as runner

 ENV DOCKER_REMOTE_DAEMON=1
 ENV DOCKER_INTEGRATION_DAEMON_DEST=/
 ENTRYPOINT ["/scripts/run.sh"]
 
 # Add an unprivileged user to be used for tests which need it
 RUN addgroup docker && adduser -D -G docker unprivilegeduser -s /bin/ash
 

 # GNU tar is used for generating the emptyfs image

 RUN apk --no-cache add \

     bash \
     ca-certificates \
     g++ \
     git \
     iptables \

     pigz \

     tar \

     xz

 COPY hack/test/e2e-run.sh       /scripts/run.sh
 COPY hack/make/.ensure-emptyfs  /scripts/ensure-emptyfs.sh

 COPY integration/testdata       /tests/integration/testdata
 COPY integration/build/testdata /tests/integration/build/testdata
 COPY integration-cli/fixtures   /tests/integration-cli/fixtures

 COPY --from=frozen-images /build/ /docker-frozen-images

 COPY --from=dockercli     /build/ /usr/bin/

 COPY --from=contrib       /build/ /tests/contrib/

 COPY --from=builder       /build/ /