FROM rust:1-alpine AS chef RUN apk add --no-cache musl-dev RUN cargo install cargo-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 FROM alpine AS runtime WORKDIR /app COPY --from=builder /app/target/release/cr-web-test /usr/local/bin ENTRYPOINT ["/usr/local/bin/cr-web-test"]