app/views/layouts/application.html.erb
<!DOCTYPE html>
<html lang="en">
<head>
<title>MealPlan</title>
<%= csrf_meta_tags %>
<%= stylesheet_link_tag 'application', media: 'all' %>
<%= javascript_include_tag 'application' %>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<header class="container">
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
<%= link_to "Meal Planning", root_path, class: "navbar-brand" %>
</div>
<ul class="nav navbar-nav navbar-right">
<% if signed_in? %>
<li><%= link_to "Meal Plans", meal_plans_path %></li>
<li><%= link_to "Recipes", recipes_path %></li>
<li><%= link_to "Sign out", sign_out_path, method: :delete %></li>
<% else %>
<li><%= link_to "Sign In", sign_in_path %></li>
<% end %>
</ul>
</div>
</nav>
</header>
<section class="container">
<div id="flash">
<% flash.each do |key, value| %>
<div class="flash alert <%= alert_class(key) %>"><%= value %></div>
<% end %>
</div>
<%= yield %>
</section>
</body>
</html>