Implementation of a generic backend of eshop in Crystal
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FROM alpine:latest
RUN apk add --no-cache crystal shards openssl openssl-dev musl-dev libc6-compat
COPY . /opt/app/
RUN cd /opt/app && \
shards
RUN cd /opt/app/ && crystal build --mcpu $(gcc -march=native -Q --help=target|grep march|awk '{print $2}'|head -n 1) --release src/sales_backend.cr
CMD /opt/app/sales_backend