Design NutriAI Database

Using the AWS SDK for Python Boto3 to create, configure, and manage AWS services, Amazon DynamoDB.

Amazon DynamoDB

• 아마존의 NoSQL 데이터베이스 서비스
• 완전 관리형의 서버리스 데이터베이스
• 키-값 쿼리 형식

ERD

Design the primary key

Entity	HASH	RANGE
사용자	USER#USERID	USER#USERID#INFO
영양상태로그		DATE#NUTRSTATUS#MEAL or SUPPLTAKE
식단로그		DATE#MEAL#TIME
영양제섭취로그		DATE#SUPPLTAKE#TIME
권장섭취량	RDI#age_range	RDI#sex
식품	FOOD#food_cat	FOOD#food_name
영양제	NUTRSUPPL#nutr_cat	NUTRSUPPL#product_code

Prerequisites

Edit code/aws_def_values.py.example file

# code/aws_def_values.py
## for AWS Access 
aws_access = {
   'region_ap': '', # AWS region
   'aws_access_key_id': '', # AWS Access key ID
   'aws_secret_access_key': '' # AWS Secret access key
}

# DynamoDB
table_nutriai = "" # table name

Make data/ directory and put the data files into the data/ directory for DB.

Start with Dockerfile

Build image

docker build . -t <name>:<tag>

Run image

docker run --rm -ti -v $(pwd):/dynamo <name>:<tag> bash

Implementation

Create a table

python code/nutriai_dynamo_create_table.py 

Put items

python code/nutriai_dynamo_put_item.py 

Delete a table

python code/nutriai_dynamo_delete_table.py