FROM ubuntu:16.04 RUN apt-get update RUN apt-get install -y --no-install-recommends \ gcc make libc6-dev git curl ca-certificates RUN curl https://www.musl-libc.org/releases/musl-1.1.14.tar.gz | \ tar xzf - && \ cd musl-1.1.14 && \ CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \ make install -j4 && \ cd .. && \ rm -rf musl-1.1.14 ENV PATH=$PATH:/musl-i686/bin:/rust/bin