def dbconf
  Rails.configuration.database_configuration[Rails.env]
end

namespace :docker do
  namespace :db do
    desc "Launch docker container for database"
    task run: :environment do
      sh <<-BASH.strip_heredoc
        docker run \
          --rm \
          --name #{dbconf["database"]} \
          --env POSTGRES_PASSWORD=#{dbconf["password"]} \
          --env POSTGRES_USER=#{dbconf["username"]} \
          --env POSTGRES_DB=#{dbconf["database"]} \
          --publish "#{dbconf["port"]}:5432" \
          --volume "$PWD/docker/db:/var/lib/postgresql" \
          postgres
      BASH
    end

    task rm: :environment do
      sh "docker rm #{dbconf["database"]}"
    end
  end
end