aws --profile jp_admin dynamodb create-table \
    --table-name chat_user_info \
    --attribute-definitions \
        AttributeName=username,AttributeType=S \
    --key-schema \
        AttributeName=username,KeyType=HASH \
    --provisioned-throughput \
        ReadCapacityUnits=5,WriteCapacityUnits=5 \
    --table-class STANDARD


aws --profile jp_admin dynamodb put-item \
    --table-name chat_user_info \
    --item \
     '{"username":{"S":"river"},"password":{"S":"12345600"}}'