🐳 Work on Docker build

.dockerignore

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+/target

Dockerfile

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+FROM rust:1.47-slim-buster as build
+
+WORKDIR /usr/src
+
+RUN apt-get update \
+&& apt-get install -y git pkg-config
+
+# Make sure the dependencies are all cached so we won't hammer crates.io
+
+ADD old-git.tar.gz .
+RUN git checkout 16984ddcd3c9cdc04b2c4c3625eb83176c1b2dda \
+&& git reset --hard \
+&& cargo check
+
+RUN cargo test --release \
+&& cargo build --release --bin ptth_relay
+
+COPY .git .git
+
+ARG gitcommithash=HEAD
+
+RUN git checkout "$gitcommithash" \
+&& git reset --hard \
+&& echo "pub const GIT_VERSION: &str = \"$(git-rev-parse HEAD)\";" > src/git_version.rs \
+&& cargo test --release \
+&& cargo build --release --bin ptth_relay
+
+FROM debian:buster-slim as deploy
+
+RUN apt-get update \
+&& apt-get upgrade
+
+COPY --from=build /usr/src/target/release/ptth_relay /root
+COPY ptth_relay.toml /root/ptth_relay.toml
+
+COPY --from=build /usr/src/git_version.rs /root/git_version.rs
+
+WORKDIR /root
+
+CMD ["./ptth_relay"]

make-old-git-tar.bash

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+tar -czf old-git.tar.gz .git