solutions/Containerfile

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FROM docker.io/library/ubuntu:22.04
# show backtraces
ENV RUST_BACKTRACE 1
# install tools and dependencies
RUN apt-get update && \
DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
ca-certificates && \
# apt cleanup
apt-get autoremove -y && \
apt-get clean && \
find /var/lib/apt/lists/ -type f -not -name lock -delete; \
# add user and link ~/.local/share/polkadot to /data
useradd -m -u 1000 -U -s /bin/sh -d /polkadot polkadot && \
mkdir -p /data /polkadot/.local/share && \
chown -R polkadot:polkadot /data && \
ln -s /data /polkadot/.local/share/node-template
USER polkadot
# copy the compiled binary to the container
COPY --chown=polkadot:polkadot --chmod=774 node-template /usr/bin/node-template
# check if executable works in this container
RUN /usr/bin/node-template --version
# ws_port
EXPOSE 9930 9333 9944 30333 30334
CMD ["/usr/bin/node-template"]