Dockerfile for PRK firmware without keymap

Dockerfile

FROM ruby:3.0.1-slim AS build

RUN apt-get update && apt-get install --no-install-recommends -y \
  cmake \
  gcc-arm-none-eabi \
  libnewlib-arm-none-eabi \
  libstdc++-arm-none-eabi-newlib \
  ca-certificates \
  git \
  gcc \
  make \
  g++ \
  zip \
  python3 \
  ruby

ENV PRK_HOME /prk_firmware

VOLUME "${PRK_HOME}"
WORKDIR "${PRK_HOME}"
COPY . .

WORKDIR "${PRK_HOME}/src/ruby"
RUN bundle install

WORKDIR "${PRK_HOME}"
RUN git clone https://github.com/raspberrypi/pico-sdk.git
ENV PICO_SDK_PATH "${PRK_HOME}/pico-sdk"
WORKDIR "${PICO_SDK_PATH}"
RUN git submodule update --init

WORKDIR "${PRK_HOME}/lib/picoruby"
RUN make

WORKDIR "${PRK_HOME}"
RUN ./setup.sh

WORKDIR "${PRK_HOME}/build"
RUN make

FROM scratch AS export

ENV PRK_HOME /prk_firmware
COPY --from=build "${PRK_HOME}/build" "./build"

# ex. docker build -o . .