Docker file to build and distribut istanbul tools

.dockerignore

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+Dockerfile
+build

Dockerfile

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+FROM golang:1.14.4 AS builder
+WORKDIR /src
+COPY . .
+RUN make dist
+RUN tar -xz -C build -f build/`ls -1 build | grep istanbul-tools`
+
+FROM alpine:latest
+COPY --from=builder /src/build/istanbul /bin/
+ENTRYPOINT [ "/bin/istanbul" ]