Microservices demo using AWS Lambda, Dynamo DB and API Gateway

Project blueprint of Lambda – microservice-http-endpoint

Description – simple backend (read/write to DynamoDB) with a RESTful API endpoint using Amazon API Gateway.

Make sure that Dynamo DB “raja” and token_id “Primary partition key token_id (Number)” must be exist.

POSTMAN for following script



{
	"httpMethod": "GET",
	"queryStringParameters": {
	"TableName": "raja"
    }
}

{
"httpMethod": "POST",
"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 1,\"Token\": 33333}}"
}

{
"httpMethod": "POST",
"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 2,\"Token\": 33333}}"
}

{
"httpMethod": "POST",
"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 3,\"Token\": 33333}}"
}

{

"httpMethod": "GET",

"queryStringParameters": {

"TableName": "raja"

}

{

"httpMethod": "POST",

"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 1,\"Token\": 33333}}"

}

{

"httpMethod": "POST",

"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 2,\"Token\": 33333}}"

}

{

"httpMethod": "POST",

"body": "{\"TableName\":\"raja\",\"Item\": {\"token_id\": 3,\"Token\": 33333}}"

}