basictemplate.en-GB.body.handlebars

hello {{name}}.
Your email is {{email}}.

Gemfile

source "https://rubygems.org"

ruby "2.4.0"

#gem 'dry-view', "~> 0.2.2"
gem 'dry-view', "~> 0.3.0"
gem 'logger'
gem 'json'
gem 'tilt'
gem 'tilt-handlebars'
gem 'orstruct'

main.rb

require_relative './templater'

options = {:context => OpenStruct.new('name':'John', 'email':'john@doe.com'), :lang => 'en-GB', :template => 'basictemplate'}
Communication::Template::Templater.new(options)

templater.rb

require 'dry-view'
require 'logger'
require 'json'
require_relative './templater_view'

module Communication

  module Template

    class Templater

      def initialize(options)
        view = TemplaterView.new(options[:template])
        rendered_body = view.(:context => options[:context], :format => "#{options[:lang]}.body")
        puts rendered_body
      end
      
    end
  end
end      

templater_view.rb

module Communication

  module Template

    class TemplaterView < Dry::View::Controller

      attr_writer :template_path
      configure do |config|
        config.paths = ["#{__dir__}"]
      end

      def initialize(template_path)
        super()
        @template_path = template_path
      end

    end
  end
end