add build dockerfile

Author: avsm

Dockerfile

@@ -0,0 +1,7 @@
+FROM ocaml/opam:alpine-3.4_ocaml-4.03.0
+RUN opam depext -ui -y -j 2 github tls cmdliner fmt
+COPY . /home/opam/src
+RUN sudo chown -R opam /home/opam/src
+RUN rm -f /home/opam/src/*.native
+WORKDIR /home/opam/src
+RUN opam config exec -- ocamlbuild -use-ocamlfind list_issues.native