api gateway service proxy

gistfile1.txt

DynamoDb Put Item Documentation - https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_PutItem.html

API Gateway Policy
---
{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "",
      "Effect": "Allow",
      "Principal": {
        "Service": "apigateway.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}

DynamoDB - Simple
---

{ 
    "TableName": "Customers",
    "Item": {
	"customerId": {
            "S": "1"
            },
        "date": {
            "S": "2020"
            },
        "name": {
            "S": "John Doe"
        }
    }
}

DynamoDB - Mapping Template

{ 
    "TableName": "Customers",
    "Item": {
	"customerId": {
            "S": "$context.requestId"
            },
        "date": {
            "S": "$input.path('$.date')"
            },
        "name": {
            "S": "$input.path('$.name')"
        }
    }
}

Stripped Down REST Request
---
{
    "date": "2020",
    "name": "Jane Doe"
}