server url: http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/
- POST photo
http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/upload_image
- GET taglist
http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/taglist
- GET image tags
http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/image/<img_name>
- GET tag images
http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/tags/<tag_name>
- GET cluster
http://ec2-54-204-77-29.compute-1.amazonaws.com:5000/cluster/<clunter_no(0-9)>