Add a file Dockerfile.bootnode

Dockerfile.bootnode

@@ -0,0 +1,33 @@
+# Support setting various labels on the final image
+ARG COMMIT=""
+ARG VERSION=""
+ARG BUILDNUM=""
+
+# Build Geth in a stock Go builder container
+FROM golang:1.20-alpine as builder
+
+RUN apk add --no-cache gcc musl-dev linux-headers git
+
+# Get dependencies - will also be cached if we won't change go.mod/go.sum
+COPY go.mod /go-ethereum/
+COPY go.sum /go-ethereum/
+RUN cd /go-ethereum && go mod download
+
+ADD . /go-ethereum
+RUN cd /go-ethereum && go run build/ci.go install -static ./cmd/bootnode
+
+# Pull Geth into a second stage deploy alpine container
+FROM alpine:latest
+
+RUN apk add --no-cache ca-certificates
+COPY --from=builder /go-ethereum/build/bin/bootnode /usr/local/bin/
+
+EXPOSE 30301 30301/udp
+ENTRYPOINT ["bootnode"]
+
+# Add some metadata labels to help programatic image consumption
+ARG COMMIT=""
+ARG VERSION=""
+ARG BUILDNUM=""
+
+LABEL commit="$COMMIT" version="$VERSION" buildnum="$BUILDNUM"