Dockerfile to execute the script via Docker

Author: gaggle

Dockerfile

@@ -1,3 +1,13 @@
-FROM elixir:alpine
+FROM elixir:alpine as base
 
-ENTRYPOINT [ "elixir", "action.exs" ]
+FROM base as build
+WORKDIR /app
+COPY mix.exs .
+RUN mix deps.get
+COPY lib lib
+RUN mix deps.compile && mix escript.build
+
+FROM base as release
+COPY --from=build /app/elixir_script /usr/local/bin
+
+ENTRYPOINT [ "elixir_script" ]