Add sitemap

Gemfile

@@ -17,6 +17,7 @@ gem 'unicorn'
 
 group :development do
   gem 'shotgun'
+  gem 'sitemap_generator'
 end
 
 group :development, :test do

Gemfile.lock

@@ -4,6 +4,7 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     ast (2.4.0)
+    builder (3.2.3)
     coderay (1.1.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -74,6 +75,8 @@ GEM
       rack (~> 2.0)
       rack-protection (= 2.0.4)
       tilt (~> 2.0)
+    sitemap_generator (6.0.1)
+      builder (~> 3.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
     tzinfo (1.2.5)
@@ -107,6 +110,7 @@ DEPENDENCIES
   sequel_pg
   shotgun
   sinatra
+  sitemap_generator
   unicorn
   vcr
   webmock

config/sitemap.rb

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+SitemapGenerator::Sitemap.default_host = 'https://frankfurter.app'
+SitemapGenerator::Sitemap.public_path = 'lib/web/public'
+SitemapGenerator::Sitemap.create

lib/tasks/sitemap.rake

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+begin
+  require 'sitemap_generator/tasks'
+rescue LoadError
+  return
+end

lib/web/public/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Disallow:
+
+Sitemap: https://frankfurter.app/sitemap.xml.gz