FROM alpine
ARG NodeVersion

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

# install dependency
RUN apk add --no-cache libstdc++
RUN apk add --no-cache --virtual .build-deps binutils-gold curl g++ gcc gnupg libgcc linux-headers make python3
RUN ln -s /usr/bin/python3 /usr/bin/python

# donwload and compile node from source code.
RUN wget https://nodejs.org/dist/$NodeVersion/node-$NodeVersion.tar.gz && tar -zxvf node-$NodeVersion.tar.gz
RUN cd node-$NodeVersion && ./configure --partly-static && make -j$(getconf _NPROCESSORS_ONLN)

# create and copy tar.gz into /node_staging
RUN mkdir -p /usr/src/bin
RUN cp /usr/src/app/out/Release/node /usr/src/bin
RUN tar -czvf node-$NodeVersion-alpine.tar.gz /usr/src/bin
RUN cp ./node-$NodeVersion-alpine.tar.gz /node_staging

# copy the tar.gz into the mapped in volume
CMD ["cp", "/node_staging", "/node_output"]