Og meta tags not working rails

# config/meta.yml

meta_product_name: "Product Name"
meta_title: "Product name - Product tagline"
meta_description: "Relevant description"
meta_image: "cover.png" # should exist in `app/assets/images/`
twitter_account: "@product_twitter_account"   # required for Twitter Cards

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Og meta tags not working rails

heroku config:set DOMAIN=www.my_product.com

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Og meta tags not working rails

<!-- app/views/offers/show.html.erb -->
<% content_for :meta_title, "#{@offer.name} is on #{DEFAULT_META["meta_product_name"]}" %>
<% content_for :meta_description, @offer.description %>
<% content_for :meta_image, cl_image_path(@offer.photo.path) %>

Source: lewagon.com

Og meta tags not working rails

# app/controllers/application_controller.rb

def default_url_options
  { host: ENV["DOMAIN"] || "localhost:3000" }
end

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Og meta tags not working rails

# config/initializers/default_meta.rb

# Initialize default meta tags.
DEFAULT_META = YAML.load_file(Rails.root.join("config/meta.yml"))

Source: lewagon.com

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