FROM linuxkit/containerd-dev:30c6ccebe92d8af06596fb33b71ec005859116cc AS containerd-dev

FROM linuxkit/alpine:316c3f9d85c21fdd8bc7479e81d290f85bf60eb0 AS build

RUN apk add --no-cache --initdb alpine-baselayout make gcc musl-dev git linux-headers

ADD usermode-helper.c ./

RUN LDFLAGS=-static CFLAGS=-Werror make usermode-helper

RUN apk add --no-cache go musl-dev

ENV GOPATH=/go PATH=$PATH:/go/bin

RUN [ $(uname -m) = aarch64 ] && apk add --no-cache gcc || true

COPY . /go/src

RUN go-compile.sh /go/src/cmd/init

RUN go-compile.sh /go/src/cmd/rc.init

RUN mkdir /tmp/bin && cd /tmp/bin/ && cp /go/bin/rc.init . && ln -s rc.init rc.shutdown

COPY --from=containerd-dev /go/src/github.com/containerd/containerd $GOPATH/src/github.com/containerd/containerd

RUN cd /go/src/cmd/service && ./skanky-vendor.sh $GOPATH/src/github.com/containerd/containerd

RUN go-compile.sh /go/src/cmd/service

FROM linuxkit/alpine:316c3f9d85c21fdd8bc7479e81d290f85bf60eb0 AS mirror

RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/

RUN apk add --no-cache --initdb -p /out alpine-baselayout busybox musl

RUN mkdir -p /out/etc/ssl/certs

RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache

FROM scratch

ENTRYPOINT []

CMD []

WORKDIR /

COPY --from=build /go/bin/init /

COPY --from=build /tmp/bin /bin/

COPY --from=build /go/bin/service /usr/bin/

COPY --from=build usermode-helper /sbin/

COPY --from=mirror /out/ /

COPY etc etc/