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Dockerfile
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Dockerfile
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FROM elixir:1.10-alpine AS build
# install build dependencies
RUN apk add --no-cache build-base npm
# prepare build dir
WORKDIR /app
# install hex + rebar
RUN mix local.hex --force && \
mix local.rebar --force
# set build ENV
ENV SECRET_KEY_BASE=nokey
# install mix dependencies
COPY mix.exs mix.lock ./
COPY config config
RUN mix deps.get --only prod
RUN MIX_ENV=prod mix deps.compile
# build assets
COPY assets/package.json assets/package-lock.json ./assets/
RUN npm --prefix ./assets ci --progress=false --no-audit --loglevel=error
COPY priv priv
COPY assets assets
RUN npm run --prefix ./assets deploy
RUN MIX_ENV=prod mix phx.digest
# compile and build release
COPY lib lib
# uncomment COPY if rel/ exists
# COPY rel rel
RUN MIX_ENV=prod mix release
# prepare release image
FROM alpine:3.9 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/live_view_counter ./
ADD entrypoint.sh ./
ENV HOME=/app
ENV MIX_ENV=prod
ENV SECRET_KEY_BASE=nokey
ENV PORT=4000
ENTRYPOINT ["/app/entrypoint.sh"]
CMD ["bin/live_view_counter", "start"]