feat: package kubectl

packages/kubectl/Containerfile

@@ -0,0 +1,39 @@
+FROM scratch as base
+ENV VERSION=1.29
+ENV SRC_HASH=d1f1c9c44c425809718edab34c884c4dd9fd6c18396d779d5bd444da2d420792
+ENV SRC_FILE=release-${VERSION}.tar.gz
+ENV SRC_SITE=https://github.com/kubernetes/kubernetes/archive/refs/heads/${SRC_FILE}
+ENV GOPATH=/cache/go
+ENV GOCACHE=/cache/
+ENV GOWORK=off
+ENV GOPROXY=https://proxy.golang.org,direct
+ENV GOSUMDB=sum.golang.org
+ENV CGO_ENABLED=0
+ENV GOHOSTOS=linux
+ENV GOHOSTARCH=amd64
+ENV GOFLAGS=-trimpath
+
+FROM base as fetch
+COPY --from=stagex/busybox . /
+COPY --from=stagex/go . /
+COPY --from=stagex/ca-certificates . /
+ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .
+RUN tar -xvf ${SRC_FILE}
+WORKDIR kubernetes-release-${VERSION}
+RUN go get ./...
+
+FROM fetch as build
+RUN --network=none <<-EOF
+    mkdir -p ${GOPATH}
+    go build -v -o bin/kubectl k8s.io/kubernetes/cmd/kubectl
+EOF
+
+from build as install
+RUN <<-EOF
+    mkdir -p /rootfs/usr/bin/
+    cp bin/kubectl /rootfs/usr/bin/
+    find /rootfs -exec touch -hcd "@0" "{}" +
+EOF
+
+FROM stagex/filesystem as package
+COPY --from=install /rootfs/./ /

src/packages.mk

@@ -579,6 +579,16 @@ out/keyfork/index.json: \
 	out/zlib/index.json
 	$(call build,keyfork)
 
+.PHONY: kubectl
+kubectl: out/kubectl/index.json
+out/kubectl/index.json: \
+	packages/kubectl/Containerfile \
+	out/busybox/index.json \
+	out/ca-certificates/index.json \
+	out/filesystem/index.json \
+	out/go/index.json
+	$(call build,kubectl)
+
 .PHONY: libassuan
 libassuan: out/libassuan/index.json
 out/libassuan/index.json: \