Divided dockerfiles to base and release dockerfile

Dockerfile.release

@@ -0,0 +1,13 @@
+FROM internetee/erlang-ruby:21.3.8-2.6.3 AS build
+COPY . ./scr/
+
+WORKDIR /opt/erlang/epp_proxy/scr
+
+RUN rebar3 as prod release
+
+FROM internetee/erlang-ruby:21.3.8-2.6.3
+LABEL org.opencontainers.image.source=https://github.com/internetee/epp_proxy
+
+
+COPY --from=build /opt/erlang/epp_proxy/scr/_build/prod/rel/epp_proxy ./release
+RUN ln -s /opt/erlang/epp_proxy/release/bin/epp_proxy ./epp_proxy

Erlang-ruby.base

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+FROM debian:buster-slim
+# TODO move me to Docker images repo
+
+RUN apt-get update && apt-get install -y \
+  wget \
+  git \
+  build-essential=* \
+  libncurses5-dev=* \
+  automake=* \
+  autoconf=* \
+  curl=* \
+  ca-certificates=* \
+  libssl-dev=* \
+  libreadline-dev=* \
+  libdpkg-perl=* \
+  liberror-perl=* \
+  libc6=* \
+  libc-dev \
+  perl=* \
+  procps=* \
+  inotify-tools=* \
+  libssl1.1=* \
+  perl-base=* \
+  zlib1g-dev \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN git clone https://github.com/asdf-vm/asdf.git "$HOME"/.asdf && \
+    echo '. $HOME/.asdf/asdf.sh' >> "$HOME"/.bashrc && \
+        echo '. $HOME/.asdf/asdf.sh' >> "$HOME"/.profile
+
+ENV PATH="${PATH}:/root/.asdf/shims:/root/.asdf/bin"
+
+RUN mkdir -p /opt/erlang/epp_proxy/release
+WORKDIR /opt/erlang/epp_proxy
+
+COPY .tool-versions ./
+RUN asdf plugin-add erlang
+RUN asdf install
+RUN asdf global erlang $(grep erlang .tool-versions | cut -d' ' -f2)
+RUN asdf plugin-add ruby
+RUN asdf plugin-add rebar
+RUN asdf install