Dockerfile
FROM ruby:2.5
RUN curl -sL https://deb.nodesource.com/setup_8.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 -qq -y build-essential nodejs wait-for-it yarn \
libpq-dev \
postgresql-client \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /usr/src/app
COPY env-example .env
COPY Gemfile* ./
RUN bundle install
COPY package.json yarn.lock ./
RUN yarn install
COPY . .
# 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