FROM rust:1.50.0 as build WORKDIR /app COPY . . RUN cargo build --release RUN mkdir -p /build-out RUN cp target/release/actix-messaging /build-out/ # Ubuntu 18.04 FROM ubuntu:18.04 as production RUN apt-get update && apt-get -y install ca-certificates libssl-dev && rm -rf /var/lib/apt/lists/* COPY --from=build /build-out/* /