Dockerfile

FROM codeminer42/ci-ruby:2.7

ENV NODE_VERSION=12.14.1

RUN gem install bundler:2.1.2
RUN mkdir /myapp
WORKDIR /myapp
COPY Gemfile /myapp/Gemfile
COPY Gemfile.lock /myapp/Gemfile.lock
RUN curl -sSL "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.xz" | tar xfJ - -C /usr/local --strip-components=1 && \
  npm install npm -g
RUN npm install -g yarn

RUN bundle install
RUN yarn install
COPY . /myapp

# Add a script to be executed every time the container starts.
COPY entrypoint.sh /usr/bin/
RUN chmod +x /usr/bin/entrypoint.sh
ENTRYPOINT ["entrypoint.sh"]
EXPOSE 3000

# Start the main process.
CMD ["rails", "server", "-b", "0.0.0.0"]