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}}"
}Code language: JSON / JSON with Comments (json)

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.