# - stage 1: generate release

FROM qhwa/elixir-builder:<%= elixir_version %> AS builder

ARG app_vsn
ARG app_revision
ARG mix_env=prod
ARG hex_mirror_url=https://repo.hex.pm

ENV REPLACE_OS_VARS=true \
    APP_VSN=${app_vsn} \
    NODE_ENV=${mix_env} \
    MIX_ENV=${mix_env} \
    HEX_MIRROR_URL=${hex_mirror_url} \
    APP_REVISION=${app_revision}

WORKDIR /app/src

COPY mix.exs mix.lock /app/src/

RUN elixir -v 

RUN mix deps.get --only $MIX_ENV
RUN mix deps.compile

ADD . .

# uncomment following lines to enable digesting in Phoenix project
# RUN npm install --prefix assets
# RUN npm run deploy --prefix assets
# RUN mix phx.digest

RUN mix release --path /app --quiet
RUN cd /app && rm -rf /app/src

# - stage 2: build final runner

FROM qhwa/elixir-runner:<%= elixir_version %>

ARG app_revision=latest
ARG mix_env=prod

ENV REPLACE_OS_VARS=true \
    MIX_ENV=${mix_env} \
    APP_REVISION=${app_revision}

COPY --from=builder /app /app
WORKDIR /app

ENTRYPOINT ["/app/bin/<%= app %>"]
CMD ["start"]