caprover_docker

FROM elixir:1.10.3-alpine AS build

# install build dependencies
RUN apk add --no-cache build-base npm git python

# prepare build dir
WORKDIR /app

# install hex + rebar
RUN mix local.hex --force && \
    mix local.rebar --force

# set build ENV
ENV MIX_ENV=prod
ENV SECRET_KEY_BASE=OiHyw9mIm05syvuSnZTwY0TrpQHh1GPFwZN2EbswJzNRYNPXvs4y61IlRz5OvvXl

# install mix dependencies
COPY . ./
RUN mix do deps.get, deps.compile

# build assets
RUN npm --prefix ./assets ci --progress=false --no-audit
RUN npm run --prefix ./assets/ deploy
RUN mix phx.digest
RUN mix do compile, release

# prepare release image
FROM alpine:3.12 AS app
RUN apk add --no-cache openssl ncurses-libs

WORKDIR /app

RUN chown nobody:nobody /app

USER nobody:nobody

COPY --from=build --chown=nobody:nobody /app/_build/prod/rel/phoenix_sample ./

ENV HOME=/app

EXPOSE 80

CMD ["bin/phoenix_sample", "start"]