backend

backend/Dockerfile

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+FROM hexpm/elixir:1.15.7-erlang-26.1.2-alpine-3.18.4 AS build
+
+RUN apk add --no-cache build-base git
+WORKDIR /app
+RUN mix local.hex --force && \
+  mix local.rebar --force
+ENV MIX_ENV=prod
+COPY mix.exs mix.lock ./
+RUN mix deps.get --only $MIX_ENV
+RUN mkdir config
+
+COPY config/config.exs config/${MIX_ENV}.exs config/
+RUN mix deps.compile
+COPY lib lib
+RUN mix compile
+COPY config/runtime.exs config/
+
+COPY priv priv
+RUN mix release
+
+FROM alpine:3.18.4 AS app
+
+RUN apk add --no-cache libstdc++ openssl ncurses-libs bash
+ENV USER="elixir"
+WORKDIR /app
+RUN addgroup -g 1000 $USER && \
+  adduser -D -u 1000 -G $USER $USER
+
+COPY --from=build --chown=elixir:elixir /app/_build/prod/rel/backend ./
+
+USER elixir
+
+ENV HOME=/app
+ENV MIX_ENV=prod
+ENV PHX_SERVER=true
+
+EXPOSE 4000 4369 9000-9100
+
+CMD ["/app/bin/backend", "start"]