Implement the second assignment in ruby

[refs #efdf2821ab7f]

Author: jfahrer

developing/examples/webapp/ruby/app.rb

@@ -4,5 +4,12 @@
 set :port, 9494
 
 get '/' do
+  File.open('/tmp/requests.txt', 'a') do |file|
+    file.puts "IP: #{request.ip}"
+    file.puts "Hostname: #{Socket.gethostname}"
+    file.puts "Path: #{request.path}"
+    file.puts "Timestamp: #{Time.now}"
+    file.puts '------------'
+  end
   'Hello World!'
 end

developing/examples/webapp/ruby/docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.3'
 
 services:
   app:
-    image: jfahrer/webapp-ruby:v1
+    image: jfahrer/webapp-ruby:v2
     build:
       context: .
     volumes: