Introduce a proper multi-stage dockerfile

docker/node/Dockerfile

@@ -1,37 +1,32 @@
-ARG ENV_REPOSITORY=nanocurrency/nano-env
-ARG COMPILER=gcc
-FROM ${ENV_REPOSITORY}:${COMPILER}
+FROM ubuntu:22.04 as builder
 
-ARG NETWORK=live
+ARG COMPILER=gcc
+ARG NANO_NETWORK=live
 ARG CI_TAG=DEV_BUILD
 ARG CI_BUILD=OFF
 ARG CI_VERSION_PRE_RELEASE=OFF
-ADD ./ /tmp/src
 
-WORKDIR /tmp/build
+# Install build dependencies
+COPY ./ci/prepare/linux /tmp/prepare
+RUN /tmp/prepare/prepare.sh
 
-RUN \
-cmake /tmp/src \
--DCI_BUILD=${CI_BUILD} \
--DCI_VERSION_PRE_RELEASE=${CI_VERSION_PRE_RELEASE} \
--DPORTABLE=1 \
--DACTIVE_NETWORK=nano_${NETWORK}_network
+COPY ./ /tmp/src
+WORKDIR /tmp/src
 
-RUN \ 
-make nano_node -j $(nproc) && \
-make nano_rpc -j $(nproc) && \
-cd .. && \
-echo ${NETWORK} >/etc/nano-network
+# Build node
+RUN ci/build-node.sh
+RUN echo ${NETWORK} >/etc/nano-network
 
 FROM ubuntu:22.04
 
 RUN groupadd --gid 1000 nanocurrency && \
 useradd --uid 1000 --gid nanocurrency --shell /bin/bash --create-home nanocurrency
 
-COPY --from=0 /tmp/build/nano_node /usr/bin
-COPY --from=0 /tmp/build/nano_rpc /usr/bin
-COPY --from=0 /tmp/src/api/ /usr/bin/api/
-COPY --from=0 /etc/nano-network /etc
+COPY --from=builder /tmp/src/build/nano_node /usr/bin
+COPY --from=builder /tmp/src/build/nano_rpc /usr/bin
+COPY --from=builder /tmp/src/api/ /usr/bin/api/
+COPY --from=builder /etc/nano-network /etc
+
 COPY docker/node/entry.sh /usr/bin/entry.sh
 COPY docker/node/config /usr/share/nano/config
 RUN chmod +x /usr/bin/entry.sh
@@ -44,5 +39,6 @@ USER root
 ENV PATH="${PATH}:/usr/bin"
 ENTRYPOINT ["/usr/bin/entry.sh"]
 CMD ["nano_node", "daemon", "-l"]
+
 ARG REPOSITORY=nanocurrency/nano-node
 LABEL org.opencontainers.image.source https://github.com/$REPOSITORY