##serverside_javascript_tutorial 참고 생활코딩 강좌
##installed npm packages.json 참고
- express
- body-parser
- jade
- multer
- underscore
##How does it work?
node app_file.js (or supervisor app_file.js)
default port: http://localhost:3000/
- topic register: /topic/new
- file upload: /upload
##Structure
| data |
| node_modules |
| views_file |
| uploads |