Dockerfile

FROM ruby:3.0.4

ENV LANG C.UTF-8

RUN curl -sL https://deb.nodesource.com/setup_16.x | bash - \
    && curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
    && apt-get update \
    && apt-get install -y \
      build-essential \
      imagemagick \
      libpq-dev \
      pngquant \
      yarn

RUN gem install bundler -v "2.3.18"

RUN apt-get install libicu-dev

ADD https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-2/wkhtmltox_0.12.6.1-2.bullseye_amd64.deb /tmp
RUN apt install -y /tmp/wkhtmltox_0.12.6.1-2.bullseye_amd64.deb

ENV APPDIR=/app \
  RAILS_PORT=3000 \
  RAILS_ENV=development \
  RAILS_LOG_TO_STDOUT=true

WORKDIR $APPDIR

# Rails Dependencies
COPY Gemfile* $APPDIR/
RUN bundle config set deployment 'true'
RUN bundle --without="development test"

# NPM deps
COPY package.json $APPDIR/
COPY package-lock.json $APPDIR/

RUN npm install

COPY . $APPDIR/

RUN RAILS_ENV=staging NODE_ENV=staging \
  bundle exec rake assets:precompile \
  && mkdir -p $APPDIR/log \
  && mkdir -p $APPDIR/tmp \
  && mkdir -p $APPDIR/storage \
  && chown -R daemon:daemon $APPDIR/log \
  && chown -R daemon:daemon $APPDIR/tmp \
  && chown -R daemon:daemon $APPDIR/storage \
  && chown daemon:daemon $APPDIR/db/schema.rb

USER daemon:daemon

VOLUME $APPDIR/public

CMD bundle exec rake db:migrate && bundle exec puma -C config/puma.rb