Supported alpine on docker.
usage:
FROM crystallang/crystal:0.35.1-alpine as builder
RUN apk add --update --no-cache \
curl \
make \
python \
g++ \
gcc \
gcc-doc \
linux-headers \
libc6-compat
RUN ln -s /lib/libc.musl-x86_64.so.1 /lib/ld-linux-x86-64.so.2
RUN git clone https://github.com/fukaoi/crystal-nodejs.git
WORKDIR /crystal-nodejs
RUN shards install