Revised Dockerfile for static linux build.

linux/Dockerfile

@@ -1,20 +1,24 @@
 # USE ALPINE LINUX
-FROM alpine:edge
+FROM alpine
+RUN apk update
+# INSTALL BASIC DEV TOOLS, GHC, GMP & ZLIB
 RUN echo "https://s3-us-west-2.amazonaws.com/alpine-ghc/8.0" >> /etc/apk/repositories
 ADD https://raw.githubusercontent.com/mitchty/alpine-ghc/master/mitch.tishmack%40gmail.com-55881c97.rsa.pub \
     /etc/apk/keys/mitch.tishmack@gmail.com-55881c97.rsa.pub
 RUN apk update
-RUN apk add alpine-sdk git ca-certificates ghc cabal stack zlib-dev \
-    dpkg fakeroot sed gawk grep bash linux-headers
-ENV PATH="/root/.local/bin:${PATH}"
-RUN stack update
-RUN stack upgrade
+RUN apk add alpine-sdk git ca-certificates ghc gmp-dev zlib-dev bash dpkg fakeroot
+# GRAB A RECENT BINARY OF STACK
+RUN curl -L https://www.stackage.org/stack/linux-x86_64-static | tar xz --wildcards --strip-components=1 -C /usr/local/bin '*/stack'
+# 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 ulimit -n 4096
 RUN stack config set system-ghc --global true
 #RUN mkdir -p /etc/stack
 #RUN echo "build: { split-objs: true }" > /etc/stack/config.yaml
 RUN mkdir -p /usr/src/
 WORKDIR /usr/src/
-RUN git  clone https://github.com/jgm/pandoc
+RUN git clone https://github.com/jgm/pandoc
 WORKDIR /usr/src/pandoc
 RUN stack install --stack-yaml stack.lts9.yaml \
     --only-dependencies \