FROM ubuntu:16.04 RUN apt-get update RUN apt-get install -y --no-install-recommends \ ca-certificates curl gcc gcc-arm-none-eabi libc6-dev libcurl4-openssl-dev libssh2-1 libnewlib-dev ENV AR_thumbv7m_none_eabi=arm-none-eabi-ar \ CARGO_TARGET_THUMBV7M_NONE_EABI_LINKER=arm-none-eabi-gcc \ CC_thumbv7m_none_eabi=arm-none-eabi-gcc \ PATH=$PATH:/rust/bin