Dockerfile-proxy

FROM elixir:1.15-alpine AS builder

ENV MIX_ENV=prod

WORKDIR /app

RUN apk add --no-cache --update git build-base ca-certificates zstd gcc pkgconfig openssl-dev

RUN mkdir config
COPY config/ ./config
COPY spawn_proxy/ ./spawn_proxy
COPY lib/ ./lib
COPY spawn_statestores/ ./spawn_statestores
COPY priv/ ./priv
COPY mix.exs .
COPY mix.lock .

RUN mix local.rebar --force \
    && mix local.hex --force \
    && mix deps.get \
    && mix release.init

ENV RELEASE_DISTRIBUTION="name"

# Overriden at runtime
ENV POD_IP="127.0.0.1"

# This will be the basename of node
ENV RELEASE_NAME="proxy"

# This will be the full nodename
ENV RELEASE_NODE="${RELEASE_NAME}@${POD_IP}"

#RUN echo "-setcookie ${RELEASE_COOKIE}" >> ./priv/rel/vm.args.eex

RUN cd spawn_proxy/proxy \
    && mix deps.get \
    && mix release proxy

# ---- Application Stage ----
FROM alpine:3.20

RUN apk add --no-cache --update zstd ncurses-libs libstdc++ libgcc protobuf

WORKDIR /app
RUN chown nobody /app

# Set runner ENV
ENV MIX_ENV=prod
ENV HOME=/app

COPY rel/overlays/mtls.ssl.conf .
COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/proxy ./

RUN mkdir -p /app/.cache/bakeware/ && chmod 777 /app/.cache/bakeware/
RUN mkdir -p /app/priv/generated_modules/ && chmod 777 /app/priv/generated_modules/
RUN mkdir /data/ && chmod 777 /data/
RUN touch /.erlang.cookie && chmod 777 /.erlang.cookie
RUN touch /app/.erlang.cookie && chmod 777 /app/.erlang.cookie

USER nobody

ENTRYPOINT ["/app/bin/proxy", "start"]