# syntax=docker/dockerfile:1.2 FROM rustlang/rust:nightly AS builder WORKDIR /usr/src/app # Build the app COPY . . RUN --mount=type=cache,target=/usr/src/app/target cargo install --path . FROM debian:buster-slim COPY --from=builder /usr/local/cargo/bin/rust-api /usr/local/bin/rust-api CMD ["rust-api"]