FROM rust:1.92 AS builder RUN rustup target add x86_64-unknown-linux-musl && \ apt-get update && \ apt-get install -y --no-install-recommends musl-tools musl-dev iputils-ping ca-certificates && \ rm -rf /var/lib/apt/lists/* WORKDIR /app COPY Cargo.toml Cargo.lock ./ COPY src ./src RUN cargo build --target x86_64-unknown-linux-musl --release FROM scratch AS runtime COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/status-checker /status-checker COPY --from=builder /usr/bin/ping /usr/bin/ping ENV ROCKET_ADDRESS=0.0.0.0 ENV ROCKET_PORT=8000 ENTRYPOINT ["/status-checker"]