Dockerfile.build

# https://www.fpcomplete.com/blog/2016/10/static-compilation-with-stack

# https://github.com/mitchty/alpine-linux-ghc-bootstrap
FROM mitchty/alpine-ghc:large

RUN apk update
RUN apk add alpine-sdk git ca-certificates gmp-dev zlib-dev

# FIX https://bugs.launchpad.net/ubuntu/+source/gcc-4.4/+bug/640734
WORKDIR /usr/lib/gcc/x86_64-alpine-linux-musl/6.2.1/
RUN cp crtbeginT.o crtbeginT.o.orig
RUN cp crtbeginS.o crtbeginT.o

# COMPILE s3ssu
ADD ./ /usr/src
WORKDIR /usr/src
RUN stack --local-bin-path /sbin install --test --ghc-options '-optl-static -fPIC -optc-Os' --system-ghc

# COMPRESS WITH UPX
ADD https://github.com/lalyos/docker-upx/releases/download/v3.91/upx /usr/local/bin/upx
RUN chmod 755 /usr/local/bin/upx
RUN upx --best --ultra-brute /sbin/s3ssu

# SHOW INFORMATION ABOUT s3ssu
RUN ldd /sbin/s3ssu || true
RUN du -hs /sbin/s3ssu