Add Dockerfile for creating binaries (facebook#13)

Co-authored-by: Alex Huang <alhuang10@gmail.com>

Dockerfile

@@ -0,0 +1,25 @@
+FROM ubuntu:xenial
+
+RUN apt-get update
+
+RUN apt-get install -y curl git --fix-missing --no-install-recommends
+
+RUN apt-get install -qq -y libpcre3 libpcre3-dev build-essential ca-certificates --fix-missing --no-install-recommends
+
+RUN DEBIAN_FRONTEND="noninteractive" apt-get -y install tzdata
+
+RUN curl -sSL https://get.haskellstack.org/ | sh
+
+RUN mkdir /duckling
+
+COPY . /duckling
+
+RUN mkdir /log
+
+WORKDIR /duckling
+
+# NOTE:`stack build` will use as many cores as are available to build
+# in parallel. However, this can cause OOM issues as the linking step
+# in GHC can be expensive. If the build fails, try specifying the
+# '-j1' flag to force the build to run sequentially.
+RUN stack build -j1