Reduce image size

Author: TLCFEM

resource/Dockerfile

@@ -1,13 +1,14 @@
-FROM debian AS builder
-RUN apt-get update && apt-get install -y cmake git g++ libtbb-dev libmpfr-dev libgmp-dev
+FROM alpine:3 AS builder
+
+RUN apk add make cmake git g++ onetbb-dev mpfr-dev gmp-dev
+
 RUN git clone --depth 1 https://github.com/TLCFEM/vpmr.git
 WORKDIR /vpmr
-RUN git submodule update --init --recursive
-RUN cd eigen && git apply --ignore-space-change --ignore-whitespace ../patch_size.patch && cd ..
-RUN mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make
+RUN git submodule update --init --recursive && cd eigen && git apply --ignore-space-change --ignore-whitespace ../patch_size.patch && cd .. && mkdir build && cd build && cmake -DCMAKE_BUILD_TYPE=Release .. && make
 
-FROM debian AS runtime
-RUN apt-get update && apt-get install -y libtbb12 libmpfr6 libgmp10 && apt-get clean -y
+FROM alpine:3 AS runtime
+RUN apk add onetbb mpfr
 COPY --from=builder /vpmr/build/vpmr /usr/bin/vpmr
+
 ENTRYPOINT ["/usr/bin/vpmr"]
 CMD ["-h"]