# Build/test/flash environment for roro9stack. No toolchain needed on the host. FROM python:3.12-slim RUN apt-get update \ && apt-get install -y --no-install-recommends git build-essential \ && rm -rf /var/lib/apt/lists/* RUN pip install --no-cache-dir platformio # Toolchains and libraries are cached in a named volume mounted here. RUN mkdir -p /pio && chmod 777 /pio ENV PLATFORMIO_CORE_DIR=/pio WORKDIR /work