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22.AWS-DynamoDB-APIGateway-Lambda

22.AWS-DynamoDB-APIGateway-Lambda :::


,,..........22.AWS-DynamoDB-APIGateway-Lambda...............
.Database:
RDS
DynamoDB
ElastiCache
Neptune
Amazon Redshift
.....................................................
DynamoDB::---
........

RDS- strctured Database
DynamoDB -Non-Structed - NoSl(Mango,Cassandra) for ex- bigboss naminee..


.SelectDynamoDB- createtable-table name(BookStore),number(bookid),-createe

.EC2-Lambda-CreateFunction-Author from Scratch-Name,node.js8.10,role,-creatr function,
-writecode(18.10)-save-Test-( Event name,create )- Test
.i want this lambda and Dynamo DB link...
.in Lambda-Functions- BluePrints- Search Mobile-select Mobile back end-Basci information( Name,Role,ExistinRole-give this role Dynamo DB acess-)
 -createFunction- test- configre test event( event name-test )- writ whic data we want to dynamo db..in json(27.34)
 -create- test- ---now this scripts run and data can write on DynamoDB By using ROle permisions wer r given,
 -server less means using Lambda...........

--now go DynamoDB-Items-created,,
--next Golamda-select test(31.30 )- modifi script-save-test-suss.
--now go DynamoDB-Items-created,with modified scriptes..ok now Lamda and Dynamodb connection ok..

................

Networking & Content Delivery - API Gateway-Getstart-Nwe API-name,-create API-Actions-Create Resource-Resorce name,Create Resource
-Actions-create Method-select get- , Actions-create Method-put,.
select-get- Lambadfunction name-save-( note: Dynamodb, api,lambda all are in same region )
-select-Put- Lambadfunction name-save.

.. go put-Test -Enter scripts-test ---now go DynamoDB-Items-created
..

GO -GOOLE-Rest clint online-clint.rest.com-open two tabes one for put,other get,-...now go API Actions-Deploy API-New stage,name,-Deploy
 - now getting inoke URL-(main) and get and put also geting difernt url we use this get,put urls..
..past into Web broser rest clint-@ put side run scripts- --now go DynamoDB-Items-created,,

...other tab- gettab- enter scripts to read-send- geting onf from DynamoDB


https://aws.amazon.com/lambda/resources/refarch/refarch-webapp/
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