Building-Serverless-Web-App

Step1:Create a DynamoDB table

name:registration-table

Step2:Create IAM role for lambda function

name:RegistrationRoleForm

Provide Permissions:

1)Cloudwatch Full Access

2)DynamoDB Full Access

Step3:Create lambda function

name:registration-form-function

Step4:Write lambda function

Change ( 'https://r3u6mpiyr2.execute-api.ap-south-1.amazonaws.com/prod')

To this: ('API_URL/register')

Step5:Create and deploy API Gateway and Enable CORS

Step6:Test the project.Registration is successful

Enable CORS:

Access-Control-Allow-Origin: '*'

Access-Control-Allow-Headers: Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token

Access-Control-Allow-Methods: POST