Dockerfile: support alltools image beside plain Geth

Dockerfile

@@ -12,5 +12,5 @@ FROM alpine:latest
 RUN apk add --no-cache ca-certificates
 COPY --from=builder /go-ethereum/build/bin/geth /usr/local/bin/
 
-EXPOSE 8545 8546 30303 30303/udp
+EXPOSE 8545 8546 30303 30303/udp 30304/udp
 ENTRYPOINT ["geth"]

Dockerfile.alltools

@@ -0,0 +1,15 @@
+# Build Geth in a stock Go builder container
+FROM golang:1.9-alpine as builder
+
+RUN apk add --no-cache make gcc musl-dev linux-headers
+
+ADD . /go-ethereum
+RUN cd /go-ethereum && make all
+
+# Pull all binaries into a second stage deploy alpine container
+FROM alpine:latest
+
+RUN apk add --no-cache ca-certificates
+COPY --from=builder /go-ethereum/build/bin/* /usr/local/bin/
+
+EXPOSE 8545 8546 30303 30303/udp 30304/udp