FROM ruby:2.4.3

ENV BUILD_PACKAGES="apt-utils build-essential curl less nodejs sudo wget zsh libmysqlclient-dev ruby-serialport libserialport-dev"

# throw errors if Gemfile has been modified since Gemfile.lock
RUN \
  bundle config --global frozen 1
 

WORKDIR /usr/src/app

COPY Gemfile Gemfile.lock ./
RUN \
  apt-get update -qq && \
  apt-get install -y $BUILD_PACKAGES && \
  bundle install

COPY . .

CMD ["cd /usr/src/app && ruby smartmeter.rb"]