Dockerfile.production

FROM ruby:2.7.7-slim-buster

#Install dependencies as root
RUN apt-get update
RUN apt-get install -y build-essential patch ruby-dev zlib1g-dev liblzma-dev libpq-dev curl

#Copy folder over
COPY . /usr/src/app
WORKDIR /usr/src/app

#Install npm/yarn
RUN curl -sL https://deb.nodesource.com/setup_16.x | bash -
RUN apt-get install -y nodejs
RUN npm install -g yarn

#Setup user
RUN useradd -ms /bin/bash automation-calculator-production
RUN usermod -a -G staff automation-calculator-production
RUN chown -R automation-calculator-production /usr/src/app
USER automation-calculator-production

#Install rails dependencies as non root user
RUN gem install nokogiri -v 1.14.1
RUN gem install bundler -v 2.3.26

#Calling bundle install in image creation to install dependencies,
# and also so that important bundle installed bins are in /usr/local/bundle/bin and thus in PATH variable for users.
RUN bundle install

#precompile static assets, set dummy SECRET_KEY_BASE to avoid this issue: https://github.com/heartcombo/devise/issues/4879
#note this var gets set on prod in a different way
ENV SECRET_KEY_BASE="dummy"
RUN rake assets:precompile
ENV SECRET_KEY_BASE=""

#Set this var to a reasonable default value, to be overridden per environment 
ENV APP_HOSTNAME="automation-calculations.net"

ENTRYPOINT [ "/usr/src/app/entrypoint.sh" ]

CMD [ "rails", "s" ]