Setup rollbar for the ruby server (#18)

* Setup rollbar for the ruby server

* Use rollbar sinatra middleware

Gemfile

@@ -4,3 +4,4 @@ ruby '>= 2.7.1', '< 2.8'
 
 gem 'sinatra'
 gem 'puma'
+gem 'rollbar'

Gemfile.lock

@@ -9,6 +9,7 @@ GEM
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack
+    rollbar (3.1.1)
     ruby2_keywords (0.0.2)
     sinatra (2.0.8.1)
       mustermann (~> 1.0)
@@ -19,10 +20,15 @@ GEM
 
 PLATFORMS
   ruby
+  x86_64-darwin-19
 
 DEPENDENCIES
   puma
+  rollbar
   sinatra
 
+RUBY VERSION
+   ruby 2.7.2p137
+
 BUNDLED WITH
-   2.1.2
+   2.2.1

main.rb

@@ -7,6 +7,19 @@
 
 Bundler.require
 
+require 'rollbar/middleware/sinatra'
+use Rollbar::Middleware::Sinatra
+
+configure do
+  if ENV.key?('ROLLBAR_ACCESS_TOKEN')
+    Rollbar.configure do |config|
+      config.access_token = ENV.fetch('ROLLBAR_ACCESS_TOKEN')
+      config.environment = ENV.fetch('ROLLBAR_ENVIRONMENT', 'development')
+      config.root = Dir.pwd
+    end
+  end
+end
+
 configure { set :server, :puma }
 configure { set :port, ENV['PORT'] || 5000 }