FROM rust:1-slim-bullseye as build WORKDIR / ENV RUSTFLAGS="--emit=asm" RUN USER=0 cargo new simpleshortener COPY Cargo.toml Cargo.lock /simpleshortener/ WORKDIR /simpleshortener RUN cargo build --release COPY sqlx-data.json sqlx-data.json COPY migrations migrations COPY src src RUN touch src/main.rs && cargo build --release # our final base FROM debian:bullseye-slim WORKDIR / COPY --from=build /simpleshortener/target/release/simpleshortener . USER 9999 CMD ["./simpleshortener"]