320 lines
13 KiB
Docker
320 lines
13 KiB
Docker
# syntax = docker/dockerfile:1.1-experimental
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# TODO update RUNC_VERSION with next release after 1.0-rc92
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ARG RUNC_VERSION=939ad4e3fcfa1ab531458355a73688c6f4ee5003
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ARG CONTAINERD_VERSION=v1.4.0
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# containerd v1.3 for integration tests
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ARG CONTAINERD_ALT_VERSION=v1.3.7
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# available targets: buildkitd, buildkitd.oci_only, buildkitd.containerd_only
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ARG BUILDKIT_TARGET=buildkitd
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ARG REGISTRY_VERSION=2.7.1
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ARG ROOTLESSKIT_VERSION=v0.11.0
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ARG CNI_VERSION=v0.8.6
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ARG SHADOW_VERSION=4.8.1
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ARG FUSEOVERLAYFS_VERSION=v1.2.0
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ARG STARGZ_SNAPSHOTTER_VERSION=3a04e4c2c116c85b4b66d01945cf7ebcb7a2eb5a
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ARG ALPINE_VERSION=3.12
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# git stage is used for checking out remote repository sources
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FROM --platform=$BUILDPLATFORM alpine:${ALPINE_VERSION} AS git
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RUN apk add --no-cache git
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# xgo is a helper for golang cross-compilation
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FROM --platform=$BUILDPLATFORM tonistiigi/xx:golang@sha256:6f7d999551dd471b58f70716754290495690efa8421e0a1fcf18eb11d0c0a537 AS xgo
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# gobuild is base stage for compiling go/cgo
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FROM --platform=$BUILDPLATFORM golang:1.13-buster AS gobuild-minimal
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COPY --from=xgo / /
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RUN apt-get update && apt-get install --no-install-recommends -y libseccomp-dev file
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# on amd64 you can also cross-compile to other platforms
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FROM gobuild-minimal AS gobuild-cross-amd64
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RUN dpkg --add-architecture s390x && \
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dpkg --add-architecture ppc64el && \
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dpkg --add-architecture armel && \
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dpkg --add-architecture armhf && \
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dpkg --add-architecture arm64 && \
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apt-get update && \
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apt-get --no-install-recommends install -y \
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gcc-s390x-linux-gnu libc6-dev-s390x-cross libseccomp-dev:s390x \
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crossbuild-essential-ppc64el libseccomp-dev:ppc64el \
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crossbuild-essential-armel libseccomp-dev:armel \
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crossbuild-essential-armhf libseccomp-dev:armhf \
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crossbuild-essential-arm64 libseccomp-dev:arm64 \
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--no-install-recommends
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# define all valid target configurations for compilation
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FROM gobuild-minimal AS gobuild-amd64-amd64
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FROM gobuild-minimal AS gobuild-arm-arm
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FROM gobuild-minimal AS gobuild-s390x-s390x
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FROM gobuild-minimal AS gobuild-ppc64le-ppc64le
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FROM gobuild-minimal AS gobuild-arm64-arm64
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FROM gobuild-cross-amd64 AS gobuild-amd64-arm
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FROM gobuild-cross-amd64 AS gobuild-amd64-s390x
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FROM gobuild-cross-amd64 AS gobuild-amd64-ppc64le
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FROM gobuild-cross-amd64 AS gobuild-amd64-arm64
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FROM gobuild-$BUILDARCH-$TARGETARCH AS gobuild-base
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# runc source
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FROM git AS runc-src
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ARG RUNC_VERSION
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WORKDIR /usr/src
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RUN git clone https://github.com/opencontainers/runc.git runc \
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&& cd runc && git checkout -q "$RUNC_VERSION"
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# build runc binary
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FROM gobuild-base AS runc
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WORKDIR $GOPATH/src/github.com/opencontainers/runc
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ARG TARGETPLATFORM
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RUN --mount=from=runc-src,src=/usr/src/runc,target=. --mount=target=/root/.cache,type=cache \
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CGO_ENABLED=1 go build -ldflags '-extldflags -static' -tags 'seccomp netgo cgo static_build osusergo' -o /usr/bin/runc ./ && \
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file /usr/bin/runc | grep "statically linked"
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FROM gobuild-base AS buildkit-base
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WORKDIR /src
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ENV GOFLAGS=-mod=vendor
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# scan the version/revision info
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FROM buildkit-base AS buildkit-version
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# TODO: PKG should be inferred from go modules
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RUN --mount=target=. \
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PKG=github.com/moby/buildkit VERSION=$(git describe --match 'v[0-9]*' --dirty='.m' --always --tags) REVISION=$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code; then echo .m; fi); \
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echo "-X ${PKG}/version.Version=${VERSION} -X ${PKG}/version.Revision=${REVISION} -X ${PKG}/version.Package=${PKG}" | tee /tmp/.ldflags; \
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echo -n "${VERSION}" | tee /tmp/.version;
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# build buildctl binary
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FROM buildkit-base AS buildctl
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ENV CGO_ENABLED=0
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ARG TARGETPLATFORM
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RUN --mount=target=. --mount=target=/root/.cache,type=cache \
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--mount=target=/go/pkg/mod,type=cache \
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--mount=source=/tmp/.ldflags,target=/tmp/.ldflags,from=buildkit-version \
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set -x; go build -ldflags "$(cat /tmp/.ldflags)" -o /usr/bin/buildctl ./cmd/buildctl && \
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file /usr/bin/buildctl && file /usr/bin/buildctl | egrep "statically linked|Mach-O|Windows"
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# build buildkitd binary
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FROM buildkit-base AS buildkitd
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ARG TARGETPLATFORM
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ARG BUILDKITD_TAGS
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RUN --mount=target=. --mount=target=/root/.cache,type=cache \
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--mount=target=/go/pkg/mod,type=cache \
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--mount=source=/tmp/.ldflags,target=/tmp/.ldflags,from=buildkit-version \
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go build -ldflags "$(cat /tmp/.ldflags) -extldflags '-static'" -tags "osusergo netgo static_build seccomp ${BUILDKITD_TAGS}" -o /usr/bin/buildkitd ./cmd/buildkitd && \
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file /usr/bin/buildkitd | egrep "statically linked|Windows"
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FROM scratch AS binaries-linux-helper
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COPY --from=runc /usr/bin/runc /buildkit-runc
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# built from https://github.com/tonistiigi/binfmt/tree/85394e2a1bf0ac9e6c291945e869322bea969445/binfmt
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COPY --from=tonistiigi/binfmt:buildkit / /
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FROM binaries-linux-helper AS binaries-linux
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COPY --from=buildctl /usr/bin/buildctl /
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COPY --from=buildkitd /usr/bin/buildkitd /
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FROM scratch AS binaries-darwin
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COPY --from=buildctl /usr/bin/buildctl /
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FROM scratch AS binaries-windows
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COPY --from=buildctl /usr/bin/buildctl /buildctl.exe
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FROM binaries-$TARGETOS AS binaries
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FROM --platform=$BUILDPLATFORM alpine:${ALPINE_VERSION} AS releaser
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RUN apk add --no-cache tar gzip
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WORKDIR /work
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ARG TARGETPLATFORM
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RUN --mount=from=binaries \
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--mount=source=/tmp/.version,target=/tmp/.version,from=buildkit-version \
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mkdir -p /out && tar czvf "/out/buildkit-$(cat /tmp/.version).$(echo $TARGETPLATFORM | sed 's/\//-/g').tar.gz" --mtime='2015-10-21 00:00Z' --sort=name --transform 's/^./bin/' .
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FROM scratch AS release
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COPY --from=releaser /out/ /
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FROM alpine:${ALPINE_VERSION} AS buildkit-export
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# nsswitch.conf needs to be present to work around
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# https://github.com/golang/go/issues/35305
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# drop this once we start building with Go 1.16
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RUN apk add --no-cache fuse3 git pigz xz \
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&& ln -s fusermount3 /usr/bin/fusermount \
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&& echo "hosts: files dns" >/etc/nsswitch.conf
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COPY examples/buildctl-daemonless/buildctl-daemonless.sh /usr/bin/
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VOLUME /var/lib/buildkit
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FROM git AS containerd-src
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ARG CONTAINERD_VERSION
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ARG CONTAINERD_ALT_VERSION
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WORKDIR /usr/src
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RUN git clone https://github.com/containerd/containerd.git containerd
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FROM gobuild-base AS containerd-base
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RUN apt-get --no-install-recommends install -y btrfs-progs libbtrfs-dev
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WORKDIR /go/src/github.com/containerd/containerd
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FROM containerd-base AS containerd
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ARG CONTAINERD_VERSION
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RUN --mount=from=containerd-src,src=/usr/src/containerd,readwrite --mount=target=/root/.cache,type=cache \
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git fetch origin \
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&& git checkout -q "$CONTAINERD_VERSION" \
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&& make bin/containerd \
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&& make bin/containerd-shim-runc-v2 \
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&& make bin/ctr \
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&& mv bin /out
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# containerd v1.3 for integration tests
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FROM containerd-base as containerd-alt
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ARG CONTAINERD_ALT_VERSION
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RUN --mount=from=containerd-src,src=/usr/src/containerd,readwrite --mount=target=/root/.cache,type=cache \
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git fetch origin \
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&& git checkout -q "$CONTAINERD_ALT_VERSION" \
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&& make bin/containerd \
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&& make bin/containerd-shim-runc-v2 \
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&& mv bin /out
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ARG REGISTRY_VERSION
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FROM registry:$REGISTRY_VERSION AS registry
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FROM gobuild-base AS rootlesskit
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ARG ROOTLESSKIT_VERSION
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RUN git clone https://github.com/rootless-containers/rootlesskit.git /go/src/github.com/rootless-containers/rootlesskit
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WORKDIR /go/src/github.com/rootless-containers/rootlesskit
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ARG TARGETPLATFORM
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RUN --mount=target=/root/.cache,type=cache \
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git checkout -q "$ROOTLESSKIT_VERSION" && \
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CGO_ENABLED=0 go build -o /rootlesskit ./cmd/rootlesskit && \
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file /rootlesskit | grep "statically linked"
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FROM gobuild-base AS stargz-snapshotter
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ARG STARGZ_SNAPSHOTTER_VERSION
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RUN git clone https://github.com/containerd/stargz-snapshotter.git /go/src/github.com/containerd/stargz-snapshotter
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WORKDIR /go/src/github.com/containerd/stargz-snapshotter
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RUN --mount=target=/root/.cache,type=cache \
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git checkout -q "$STARGZ_SNAPSHOTTER_VERSION" && \
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mkdir /out && CGO_ENABLED=0 PREFIX=/out/ make && \
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file /out/containerd-stargz-grpc | grep "statically linked" && \
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file /out/ctr-remote | grep "statically linked"
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FROM --platform=$BUILDPLATFORM alpine:${ALPINE_VERSION} AS fuse-overlayfs
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RUN apk add --no-cache curl
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ARG FUSEOVERLAYFS_VERSION
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ARG TARGETARCH
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RUN echo $TARGETARCH | sed -e s/^amd64$/x86_64/ -e s/^arm64$/aarch64/ -e s/^arm$/armv7l/ > /uname_m && \
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mkdir /out && \
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curl -sSL -o /out/fuse-overlayfs https://github.com/containers/fuse-overlayfs/releases/download/${FUSEOVERLAYFS_VERSION}/fuse-overlayfs-$(cat /uname_m) && \
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chmod +x /out/fuse-overlayfs
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# Copy together all binaries needed for oci worker mode
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FROM buildkit-export AS buildkit-buildkitd.oci_only
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COPY --from=buildkitd.oci_only /usr/bin/buildkitd.oci_only /usr/bin/
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COPY --from=buildctl /usr/bin/buildctl /usr/bin/
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ENTRYPOINT ["buildkitd.oci_only"]
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# Copy together all binaries for containerd worker mode
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FROM buildkit-export AS buildkit-buildkitd.containerd_only
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COPY --from=buildkitd.containerd_only /usr/bin/buildkitd.containerd_only /usr/bin/
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COPY --from=buildctl /usr/bin/buildctl /usr/bin/
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ENTRYPOINT ["buildkitd.containerd_only"]
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# Copy together all binaries for oci+containerd mode
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FROM buildkit-export AS buildkit-buildkitd-linux
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COPY --from=binaries / /usr/bin/
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ENTRYPOINT ["buildkitd"]
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FROM binaries AS buildkit-buildkitd-darwin
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FROM binaries AS buildkit-buildkitd-windows
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# this is not in binaries-windows because it is not intended for release yet, just CI
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COPY --from=buildkitd /usr/bin/buildkitd /buildkitd.exe
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FROM buildkit-buildkitd-$TARGETOS AS buildkit-buildkitd
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FROM alpine:${ALPINE_VERSION} AS containerd-runtime
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COPY --from=runc /usr/bin/runc /usr/bin/
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COPY --from=containerd /out/containerd* /usr/bin/
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COPY --from=containerd /out/ctr /usr/bin/
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VOLUME /var/lib/containerd
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VOLUME /run/containerd
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ENTRYPOINT ["containerd"]
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FROM --platform=$BUILDPLATFORM alpine:${ALPINE_VERSION} AS cni-plugins
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RUN apk add --no-cache curl
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ARG CNI_VERSION
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ARG TARGETOS
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ARG TARGETARCH
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WORKDIR /opt/cni/bin
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RUN curl -Ls https://github.com/containernetworking/plugins/releases/download/$CNI_VERSION/cni-plugins-$TARGETOS-$TARGETARCH-$CNI_VERSION.tgz | tar xzv
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FROM buildkit-base AS integration-tests-base
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ENV BUILDKIT_INTEGRATION_ROOTLESS_IDPAIR="1000:1000"
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RUN apt-get --no-install-recommends install -y uidmap sudo vim iptables fuse \
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&& useradd --create-home --home-dir /home/user --uid 1000 -s /bin/sh user \
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&& echo "XDG_RUNTIME_DIR=/run/user/1000; export XDG_RUNTIME_DIR" >> /home/user/.profile \
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&& mkdir -m 0700 -p /run/user/1000 \
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&& chown -R user /run/user/1000 /home/user \
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&& update-alternatives --set iptables /usr/sbin/iptables-legacy
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# musl is needed to directly use the registry binary that is built on alpine
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ENV BUILDKIT_INTEGRATION_CONTAINERD_EXTRA="containerd-1.3=/opt/containerd-alt/bin"
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ENV BUILDKIT_INTEGRATION_SNAPSHOTTER=stargz
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COPY --from=stargz-snapshotter /out/* /usr/bin/
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COPY --from=rootlesskit /rootlesskit /usr/bin/
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COPY --from=containerd-alt /out/containerd* /opt/containerd-alt/bin/
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COPY --from=registry /bin/registry /usr/bin
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COPY --from=runc /usr/bin/runc /usr/bin
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COPY --from=containerd /out/containerd* /usr/bin/
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COPY --from=cni-plugins /opt/cni/bin/bridge /opt/cni/bin/host-local /opt/cni/bin/loopback /opt/cni/bin/
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COPY hack/fixtures/cni.json /etc/buildkit/cni.json
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COPY --from=binaries / /usr/bin/
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FROM integration-tests-base AS integration-tests
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COPY . .
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ENV BUILDKIT_RUN_NETWORK_INTEGRATION_TESTS=1 BUILDKIT_CNI_INIT_LOCK_PATH=/run/buildkit_cni_bridge.lock
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FROM integration-tests AS dev-env
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VOLUME /var/lib/buildkit
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# newuidmap & newgidmap binaries (shadow-uidmap 4.7-r1) shipped with alpine cannot be executed without CAP_SYS_ADMIN,
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# because the binaries are built without libcap-dev.
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# So we need to build the binaries with libcap enabled.
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FROM alpine:${ALPINE_VERSION} AS idmap
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RUN apk add --no-cache autoconf automake build-base byacc gettext gettext-dev gcc git libcap-dev libtool libxslt
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RUN git clone https://github.com/shadow-maint/shadow.git /shadow
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WORKDIR /shadow
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ARG SHADOW_VERSION
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RUN git checkout $SHADOW_VERSION
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RUN ./autogen.sh --disable-nls --disable-man --without-audit --without-selinux --without-acl --without-attr --without-tcb --without-nscd \
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&& make \
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&& cp src/newuidmap src/newgidmap /usr/bin
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# Rootless mode.
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FROM alpine:${ALPINE_VERSION} AS rootless
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RUN apk add --no-cache fuse3 git xz pigz
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COPY --from=idmap /usr/bin/newuidmap /usr/bin/newuidmap
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COPY --from=idmap /usr/bin/newgidmap /usr/bin/newgidmap
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COPY --from=fuse-overlayfs /out/fuse-overlayfs /usr/bin/
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# we could just set CAP_SETUID filecap rather than `chmod u+s`, but requires kernel >= 4.14
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# nsswitch.conf needs to be present to work around
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# https://github.com/golang/go/issues/35305
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# drop this once we start building with Go 1.16
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RUN chmod u+s /usr/bin/newuidmap /usr/bin/newgidmap \
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&& adduser -D -u 1000 user \
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&& mkdir -p /run/user/1000 /home/user/.local/tmp /home/user/.local/share/buildkit \
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&& chown -R user /run/user/1000 /home/user \
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&& echo user:100000:65536 | tee /etc/subuid | tee /etc/subgid \
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&& echo "hosts: files dns" >/etc/nsswitch.conf
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COPY --from=rootlesskit /rootlesskit /usr/bin/
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COPY --from=binaries / /usr/bin/
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COPY examples/buildctl-daemonless/buildctl-daemonless.sh /usr/bin/
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# Kubernetes runAsNonRoot requires USER to be numeric
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USER 1000:1000
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ENV HOME /home/user
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ENV USER user
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ENV XDG_RUNTIME_DIR=/run/user/1000
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ENV TMPDIR=/home/user/.local/tmp
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ENV BUILDKIT_HOST=unix:///run/user/1000/buildkit/buildkitd.sock
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VOLUME /home/user/.local/share/buildkit
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ENTRYPOINT ["rootlesskit", "buildkitd"]
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FROM buildkit-${BUILDKIT_TARGET}
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