#### Dockerfile ####

# Use the barebones version of Ruby 2.2.3.
FROM ruby:2.2.3-slim

# Optionally set a maintainer name to let people know who made this image.
MAINTAINER Nick Janetakis <nick.janetakis@gmail.com>

# Install dependencies:
# - build-essential: To ensure certain gems can be compiled
# - nodejs: Compile assets
# - libpq-dev: Communicate with postgres through the postgres gem
# - postgresql-client-9.4: In case you want to talk directly to postgres
#RUN apt-get update && apt-get install -qq -y build-essential nodejs libpq-dev postgresql-client-9.4 --fix-missing --no-install-recommends
# modifying ^ for OSX
# you must have Xcode and Xcode command line tools installed
# before running this
CMD brew update && brew install node postgresql

# Set an environment variable to store where the app is installed to inside
# of the Docker image.
ENV INSTALL_PATH /drkiq
RUN mkdir -p $INSTALL_PATH

# This sets the context of where commands will be ran in and is documented
# on Docker's website extensively.
WORKDIR $INSTALL_PATH

# Ensure gems are cached and only get updated when they change. This will
# drastically increase build times when your gems do not change.
COPY Gemfile Gemfile
RUN bundle install

# Copy in the application code from your work station at the current directory
# over to the working directory.
COPY . .

# Provide dummy data to Rails so it can pre-compile assets.
RUN bundle exec rake RAILS_ENV=production DATABASE_URL=postgresql://user:pass@127.0.0.1/dbname SECRET_TOKEN=pickasecuretoken assets:precompile

# Expose a volume so that nginx will be able to read in assets in production.
VOLUME ["$INSTALL_PATH/public"]

# The default command that gets ran will be to start the Unicorn server.
CMD bundle exec unicorn -c config/unicorn.rb






#### docker-compose.yml ####

# taken directly from
# https://semaphoreci.com/community/tutorials/dockerizing-a-ruby-on-rails-application

postgres:
  image: postgres:9.4.5
  environment:
    POSTGRES_USER: drkiq
    POSTGRES_PASSWORD:
  ports:
    - '5432:5432'
  volumes:
    - drkiq-postgres:/var/lib/postgresql/data

redis:
  image: redis:3.0.5
  ports:
    - '6379:6379'
  volumes:
    - drkiq-redis:/var/lib/redis/data

drkiq:
  build: .
  links:
    - postgres
    - redis
  volumes:
    - .:/drkiq
  ports:
    - '8000:8000'
  env_file:
    - .drkiq.env

sidekiq:
  build: .
  command: bundle exec sidekiq -C config/sidekiq.yml
  links:
    - postgres
    - redis
  volumes:
    - .:/drkiq
  env_file:
    - .drkiq.env