Add Dockerfile

.dockerignore

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+.git

Dockerfile

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+FROM alpine:3.10.3 AS base
+
+FROM base AS builder
+
+RUN apk add --no-cache build-base make cmake
+
+WORKDIR /randomx
+
+COPY CMakeLists.txt .
+COPY src ./src
+
+WORKDIR /randomx/build
+
+RUN cmake -DARCH=native ..
+
+RUN make
+
+FROM base
+
+RUN apk add --no-cache libstdc++
+
+COPY --from=builder /randomx/build/randomx-benchmark .
+
+ENTRYPOINT ["./randomx-benchmark"]