FROM linuxkit/alpine:5d89cd05a567f9bfbe4502be1027a422d46f4a75 as builder


# checkout and compile containerd
# Update `FROM` in `pkg/containerd/Dockerfile`, `pkg/init/Dockerfile` and
# `test/pkg/containerd/Dockerfile` when changing this.
# when building, note that containerd does not use go modules in the below commit,
# while go1.16 defaults to using it, so must disable with GO111MODULE=off
ENV CONTAINERD_REPO=https://github.com/containerd/containerd.git
ENV CONTAINERD_COMMIT=v1.6.1
ENV GOPATH=/go
RUN apk add go git
RUN mkdir -p $GOPATH/src/github.com/containerd && \
  cd $GOPATH/src/github.com/containerd && \
  git clone https://github.com/containerd/containerd.git && \
  cd $GOPATH/src/github.com/containerd/containerd && \
  git checkout $CONTAINERD_COMMIT
RUN apk add --no-cache btrfs-progs-dev gcc libc-dev linux-headers make libseccomp-dev
WORKDIR $GOPATH/src/github.com/containerd/containerd
RUN GO111MODULE=off make binaries EXTRA_FLAGS="-buildmode pie" EXTRA_LDFLAGS='-extldflags "-fno-PIC -static"' BUILDTAGS="static_build no_devmapper"

RUN cp bin/containerd bin/ctr bin/containerd-shim bin/containerd-shim-runc-v2 /usr/bin/
RUN strip /usr/bin/containerd /usr/bin/ctr /usr/bin/containerd-shim /usr/bin/containerd-shim-runc-v2

FROM scratch
ENTRYPOINT []
WORKDIR /
COPY --from=builder /usr/bin/containerd /usr/bin/ctr /usr/bin/containerd-shim /usr/bin/containerd-shim-runc-v2 /usr/bin/
COPY --from=builder /go/src/github.com/containerd/containerd /go/src/github.com/containerd/containerd