README.md

Build the image

docker build -t watchy-dev .

Run the container and mount CWD

docker run --rm -it
--device=/dev/ttyACM0
--privileged
-v "$(pwd)":/home/dockeruser/app
watchy-dev

dockerfile

FROM debian:bookworm

ENV DEBIAN_FRONTEND=noninteractive

# Install dependencies
RUN apt-get update && apt-get install -y \
    curl \
    wget \
    sudo \
    unzip \
    gcc \
    make \
    python3 \
    python3-pip \
    usbutils \
    udev \
    git \
    xz-utils \
    libarchive-tools

# Create a non-root user
RUN useradd -m dockeruser && \
    echo "dockeruser ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

USER dockeruser
WORKDIR /home/dockeruser/app

# Install Arduino CLI
RUN wget https://downloads.arduino.cc/arduino-cli/arduino-cli_latest_Linux_64bit.deb && \
    sudo apt-get install -y ./arduino-cli_latest_Linux_64bit.deb && \
    rm arduino-cli_latest_Linux_64bit.deb

# Setup Arduino CLI with ESP32 support
RUN arduino-cli config init && \
    arduino-cli config add board_manager.additional_urls https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json && \
    arduino-cli core update-index && \
    arduino-cli core install esp32:esp32 && \
    arduino-cli lib install Watchy

# Auto compile and upload, with configurable port
ENTRYPOINT ["bash", "-c", "\
  arduino-cli compile \
    --fqbn esp32:esp32:esp32s3 \
    --build-property=build.flash_size=8MB \
    --build-property=build.partitions=default_8MB \
    --build-property=upload.maximum_size=3342336 && \
  arduino-cli upload \
    --fqbn esp32:esp32:esp32s3 \
    -p ${TTY:-/dev/ttyACM0}"]