FROM google/dart:2.7 WORKDIR /app # Get Dart dependencies RUN mkdir -p /pub-cache ENV PUB_CACHE=/pub-cache ENV PATH="${PATH}:/pub-cache/bin" RUN pub global activate webdev ADD pubspec.* /app/ RUN pub get RUN pub get --offline RUN apt update && apt install ruby-sass ruby-dev build-essential -y RUN gem install sass-listen ADD . /app/ CMD ["./start.sh"]