dicebot/Dockerfile

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+# Builder image with development dependencies.
+FROM bougyman/voidlinux:glibc as builder
+RUN xbps-install -Syu
+RUN xbps-install -Sy base-devel rustup cargo cmake wget gnupg
+RUN xbps-install -Sy openssl-devel libstdc++-devel
+RUN rustup-init -qy
+RUN rustup component add rustfmt # Needed for protobuf building.
+
+# Install tini for signal processing and zombie killing
+ENV TINI_VERSION v0.19.0
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/local/bin/tini
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini.asc /tini.asc
+RUN gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \
+ && gpg --batch --verify /tini.asc /usr/local/bin/tini
+RUN chmod +x /usr/local/bin/tini
+
+# Build dicebot
+RUN mkdir -p /root/src
+WORKDIR /root/src
+ADD . ./
+RUN . /root/.cargo/env && cargo build --release
+
+# Final image
+FROM bougyman/voidlinux:tiny
+RUN xbps-install -Sy ca-certificates libstdc++
+COPY --from=builder \
+    /root/src/target/release/dicebot \
+    /usr/local/bin/
+COPY --from=builder \
+    /usr/local/bin/tini \
+    /usr/local/bin/
+
+ENV XDG_CACHE_HOME "/cache"
+ENV DATABASE_PATH "/cache/bot-db"
+ENTRYPOINT [ "/usr/local/bin/tini", "-v", "--", "/usr/local/bin/dicebot", "/config/dicebot-config.toml" ]