Creating rake task to abstract docker development

Rakefile

@@ -37,3 +37,10 @@ Rake::RDocTask.new do |rdoc|
   rdoc.rdoc_files.include('README*')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end
+
+task :docker do
+  cmd = "docker-compose up -d && docker exec -i -t shopify_api bash" 
+  unless system(cmd, err: File::NULL)
+    abort "Something went wrong, do you have Docker and Docker-Compose installed?"
+  end
+end