https://adams.signin.aws.amazon.com/console

Functions:
XYZ-upload-photo-handler
https://s3.amazonaws.com/000-lambda-jars/XYZ-upload-photo-handlers.jar

XYZ-photo-collection-handler
https://s3.amazonaws.com/000-lambda-jars/XYZ-photo-collection-handlers.jar

Lambda handlers:
net.adamsmolnik.handler.UploadPhotoHandler::handle
net.adamsmolnik.handler.PhotoCollectionHandler::handle

Dynamo DB:
table name: XYZ-photos

primary partition key: userId (String)
primary sort key: photoKey (String)

LSI: 
name: photoTakenDate-index
partition key: userId (String) 
sort key: photoTakenDate (String) 

API name: XYZ-photo-collection-api

Resource name: photo-collection

Content-Type:
application/json

API/Lambda mapping:

{
"photoTakenDate" : "$input.params('photoTakenDate')"
}

Query parameter:
?photoTakenDate=

Query parameter example:
?photoTakenDate=2015-06-22

Cross-origin resource sharing (CORS):
GET
Access-Control-Allow-Origin
Access-Control-Allow-Origin	'*'

OPTIONS
Access-Control-Allow-Headers
Access-Control-Allow-Methods
Access-Control-Allow-Origin
Access-Control-Allow-Headers 'Content-Type,X-Amz-Date,Authorization'
Access-Control-Allow-Methods 'GET,POST'
Access-Control-Allow-Origin	 '*'