#config/routes.rb
Rails.application.routes.draw do

  resources :tweets do
    resources :likes
  end

  resources :users
  root 'tweets#index'
end

#views/tweets/show.html.erb
<p id="notice"><%= notice %></p>

<p>
  <strong>Text:</strong>
  <%= @tweet.text %>
</p>

<p>
  <strong>User:</strong>
  <%= @tweet.user.name %>
</p>

<p>
  <%= link_to 'Like', @tweet.like %>
</p>

<%= link_to 'Edit', edit_tweet_path(@tweet) %> |
<%= link_to 'Back', tweets_path %>