docker-rails

#######################dockerfile-image###############
FROM nginx

# Install dependencies
RUN apt-get update -qq && apt-get -y install apache2-utils

# establish where Nginx should look for files
ENV RAILS_ROOT /var/www/sample_rails_docker_app

# Set our working directory inside the image
WORKDIR $RAILS_ROOT

# create log directory
RUN mkdir log

# copy over static assets
COPY public public/

# Copy Nginx config template
COPY config/nginx.conf /tmp/docker_example.nginx

# substitute variable references in the Nginx config template for real values from the environment
# put the final config in its place
 RUN envsubst '$RAILS_ROOT' < /tmp/docker_example.nginx > /etc/nginx/conf.d/default.conf
#RUN rm -rf /etc/nginx/sites-available/default
#ADD config/nginx.conf /etc/nginx/sites-enabled/nginx.conf

EXPOSE 80

# Use the "exec" form of CMD so Nginx shuts down gracefully on SIGTERM (i.e. `docker stop`)
CMD [ "nginx", "-g", "daemon off;" ]


############################dockerfile########
FROM ruby:2.3.3
RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
RUN mkdir /myapp
WORKDIR /myapp
COPY Gemfile /myapp/Gemfile
COPY Gemfile.lock /myapp/Gemfile.lock
ENV RAILS_ENV production
RUN gem install gentelella-rails -v '0.1.10'
RUN bundle install
COPY . /myapp
RUN bundle exec rake SECRET_KEY_BASE=pickasecuretoken2  assets:precompile
#####################docker-compose###################
version: '3'
services:
  app:
    build: .
    #command: bundle exec rails s -p 3000 -b '0.0.0.0'
    command: bundle exec puma -C config/puma.rb
    stdin_open: true
    tty: true
    volumes:
      - ./file_storage:/myapp
      - assets:/myapp/public/assets/
    environment:
      - SECRET_KEY_BASE=weqwewqewqewqe
    expose:
      - "3000"
    ports:
      - "27017:27017"
    network_mode: "host"
  web:
    build:
      context: .
      dockerfile: Dockerfile-nginx
    links:
      - app
    ports:
      - "80:5050"
volumes:
  assets: