FROM elixir:1.9.1 AS app_builder
WORKDIR /app
ENV MIX_ENV=prod
COPY mix.*
RUN mix do local.hex --force, local.rebar --force, deps.get, deps.compile
COPY . .
RUN mix do phx.digest, release app
# ---- Release Stage ----
FROM debian:stretch AS app
EXPOSE 4000
ENV LANG=C.UTF-8
RUN apt-get update && apt-get install -y openssl
RUN useradd --create-home app
WORKDIR /app
COPY --from=app_builder /app/_build/prod/rel/app ./

ENTRYPOINT ["/app/bin/app"]