FROM ubuntu:20.04 ENV DEBIAN_FRONTEND=noninteractive ENV LANG=C.UTF-8 ENV LC_ALL=C.UTF-8 RUN apt-get update \ && apt-get install -y --no-install-recommends \ binutils-arm-none-eabi \ ca-certificates \ curl \ gcc-arm-none-eabi \ git \ make \ mercurial \ patch \ python3 \ python3-pip \ python3-setuptools \ python3-wheel \ unzip \ && rm -rf /var/lib/apt/lists/* RUN python3 -m pip install --no-cache-dir "mbed-cli==1.10.5" RUN arm-none-eabi-gcc --version \ && python3 --version \ && mbed --version WORKDIR /workspace