#################################################################################################### ## Builder #################################################################################################### FROM --platform=$BUILDPLATFORM rust:slim AS builder ENV CARGO_TARGET_ARMV7_UNKNOWN_LINUX_MUSLEABIHF_LINKER=arm-linux-gnueabihf-gcc ENV CC_armv7_unknown_linux_musleabihf=arm-linux-gnueabihf-gcc RUN apt-get update && apt-get -y install gcc-arm-linux-gnueabihf \ binutils-arm-linux-gnueabihf \ musl-tools RUN rustup target add armv7-unknown-linux-musleabihf WORKDIR /libreddit COPY . . RUN cargo build --target armv7-unknown-linux-musleabihf --release #################################################################################################### ## Final image #################################################################################################### FROM alpine:latest # Import ca-certificates from builder COPY --from=builder /usr/share/ca-certificates /usr/share/ca-certificates COPY --from=builder /etc/ssl/certs /etc/ssl/certs # Copy our build COPY --from=builder /libreddit/target/armv7-unknown-linux-musleabihf/release/libreddit /usr/local/bin/libreddit # Use an unprivileged user. RUN adduser --home /nonexistent --no-create-home --disabled-password libreddit USER libreddit # Tell Docker to expose port 8080 EXPOSE 8080 # Run a healthcheck every minute to make sure Libreddit is functional HEALTHCHECK --interval=1m --timeout=3s CMD wget --spider --q http://localhost:8080/settings || exit 1 CMD ["libreddit"]