backend|cli: add Twenty::Servlet.server.

twenty-backend/lib/twenty-backend/servlet.rb

@@ -2,6 +2,8 @@ class Twenty::Servlet < WEBrick::HTTPServlet::AbstractServlet
   require_relative "servlet/response"
   require_relative "servlet/projects"
   require_relative "servlet/tasks"
+  require_relative "servlet/mixin/server_mixin"
+  extend ServerMixin
 
   def ok(res, body = {})
     Response.new(res)

twenty-backend/lib/twenty-backend/servlet/mixin/server_mixin.rb

@@ -0,0 +1,22 @@
+module Twenty::Servlet::ServerMixin
+  ##
+  # @return [WEBrick::HTTPServer]
+  #  Returns an instance of WEBrick::HTTPServer.
+  def server(options = {})
+    server = WEBrick::HTTPServer.new server_options.merge(options)
+    server.mount '/servlet/projects', Twenty::Servlet::Projects
+    server.mount '/servlet/tasks', Twenty::Servlet::Tasks
+    server
+  end
+
+  ##
+  # @return [Hash<Symbol, String>]
+  #  The default server options given to WEBrick::HTTPServer.new.
+  def server_options
+    {
+      DocumentRoot: Twenty.build,
+      BindAddress: "127.0.0.1",
+      Port: 2020
+    }
+  end
+end

twenty-cli/lib/twenty-cli/command/up.rb

@@ -10,18 +10,8 @@ class Twenty::Command::Up < Twenty::Command
   private
 
   def run_command
-    server = WEBrick::HTTPServer.new(server_options)
+    server = Twenty::Servlet.server
-    server.mount '/servlet/projects', Twenty::Servlet::Projects
-    server.mount '/servlet/tasks', Twenty::Servlet::Tasks
     trap(:SIGINT) { server.shutdown }
     server.start
   end
-
-  def server_options
-    {
-      DocumentRoot: Twenty.build,
-      BindAddress: "127.0.0.1",
-      Port: 2020
-    }
-  end
 end