48 lines
1.2 KiB
Docker
48 lines
1.2 KiB
Docker
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FROM rust:alpine3.17 as builder
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# update packages
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RUN apk update
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RUN apk add build-base ca-certificates libressl-dev
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# create root application folder
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WORKDIR /app
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COPY ./ /app/src
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# Install rust toolchains
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RUN rustup toolchain install stable
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RUN rustup default stable
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WORKDIR /app/src
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# Build dependencies only. Separate these for caches
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RUN cargo install cargo-build-deps
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RUN sh -c "cargo build-deps --release"
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# Build the release executable.
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RUN sh -c "cargo build --release"
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# Runner stage. I tried using distroless (gcr.io/distroless/static-debian11), but the image was only ~3MBs smaller than
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# alpine. I chose to use alpine since it makes it easier to exec into the container to debug things.
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FROM alpine:3.17
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ARG UNAME=exporter
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ARG UID=1000
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ARG GID=1000
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# Add user and copy the executable from the build stage.
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RUN adduser --disabled-password --gecos "" $UNAME -s -G $GID -u $UID
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COPY --from=builder --chown=$UID:$GID /app/src/target/release/tautulli-exporter /app/tautulli-exporter
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# Chown everything
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RUN mkdir /data && \
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chown -R $UID:$GID /data && \
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chown -R $UID:$GID /app
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USER $UNAME
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WORKDIR /app/
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EXPOSE 3000
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ENTRYPOINT [ "/app/tautulli-exporter", "--config", "/app/config.toml" ]
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