Please use "node" command to start app.js service. The service has already linked with provided Firebase. Behalf of provide TODO list result, I list the call method below. * can fill any string words.
http://localhost:3000/AddTodo?UserID=*&TODOName=*&TODODeadline=*
http://localhost:3000/ReadTodo?TODOID=*
http://localhost:3000/ChangeDeadline?TODOID*&TODODeadline=*