ARG GCC_IMAGE=library/gcc@sha256:ca38f292fe1ad0933f0122a657f9c644ed1f0a9e1aa336abcc83d420ad487e28 FROM ${GCC_IMAGE} as build ENV SOURCE_SITE=https://ftp.gnu.org/gnu/bash ENV SOURCE_VERSION=5.2.15 ENV SOURCE_HASH=13720965b5f4fc3a0d4b61dd37e7565c741da9a5be24edc2ae00182fc1b3588c RUN wget ${SOURCE_SITE}/bash-${SOURCE_VERSION}.tar.gz RUN echo "${SOURCE_HASH} bash-${SOURCE_VERSION}.tar.gz" | sha256sum -c RUN tar -xzf bash-${SOURCE_VERSION}.tar.gz WORKDIR bash-${SOURCE_VERSION} RUN set -eux; \ ./configure \ --prefix=/usr \ --enable-static-link; \ make DESTDIR=/home/user/rootfs RUN make install DESTDIR=/home/user/rootfs FROM scratch COPY --from=build /home/user/rootfs /