FROM lukemathwalker/cargo-chef:latest-rust-1 AS chef WORKDIR /app FROM chef AS planner COPY . . RUN cargo chef prepare --recipe-path recipe.json FROM chef AS builder COPY --from=planner /app/recipe.json recipe.json # Build dependencies - this is the caching Docker layer! RUN cargo chef cook --release --recipe-path recipe.json # Build application COPY . . RUN cargo build --release --bin complete-rss # We do not need the Rust toolchain to run the binary! FROM debian:bookworm-slim AS runtime RUN apt-get update && apt-get install -y curl WORKDIR /app COPY --from=builder /app/target/release/complete-rss /usr/local/bin EXPOSE 3030 HEALTHCHECK \ CMD curl -f http://localhost:3030/health ENTRYPOINT ["/usr/local/bin/complete-rss"]