--- title: "Rakesh (@awsmantra) | Hashnode" description: "AWS,GoLang,Angular,Typescript,Node,Microfrontend, Java, Cloud Cost Optimization. Read the latest articles by Rakesh on Hashnode." url: "https://hashnode.com/@awsmantra" --- @awsmantra # Rakesh @awsmantra · Dallas, USA · Joined January 2023 AWS,GoLang,Angular,Typescript,Node,Microfrontend, Java, Cloud Cost Optimization [Website](https://awsmantra.com/) ### [Enrich DynamoDB stream (List/Map) using EventBridge Pipes and Step Functions](https://awsmantra.com/enrich-dynamodb-stream-listmap-using-eventbridge-pipes-and-step-functions?utm_source=hashnode&utm_medium=feed) Use Case:- I am sure you all remember how much boilerplate code we used to write when we convert the DynamoDB stream to the business object. Here is a small snippet of the GoLang program. m := &EntitySearch{} for name, value := range recordI... 4 min read · [awsmantra.com](https://awsmantra.com/enrich-dynamodb-stream-listmap-using-eventbridge-pipes-and-step-functions?utm_source=hashnode&utm_medium=feed) [May 26, 2023](https://hashnode.com/posts/enrich-dynamodb-stream-listmap-using-eventbridge-pipes-and-step-functions/64712aaa549cef84ee8ee31d) ### [How to save money on AWS Transfer Family(SFTP) Server - Non-Production use](https://awsmantra.com/how-to-save-money-on-aws-transfer-familysftp-server-non-production-use?utm_source=hashnode&utm_medium=feed) Use Case:- Our company has an SFTP server in the lower environment, but we don't have regular traffic on it. Our QA team only uses it once every two weeks during production release testing. If you create an AWS SFTP server, you will be charged $0.30 ... 5 min read · [awsmantra.com](https://awsmantra.com/how-to-save-money-on-aws-transfer-familysftp-server-non-production-use?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/how-to-save-money-on-aws-transfer-familysftp-server-non-production-use/6442fddd2617d0ed7dd71014) [Apr 21, 2023](https://hashnode.com/posts/how-to-save-money-on-aws-transfer-familysftp-server-non-production-use/6442fddd2617d0ed7dd71014) ### [EventBridge Schedule to Step Functions - No-Code/No-Lambda](https://awsmantra.com/eventbridge-schedule-to-step-functions-no-codeno-lambda?utm_source=hashnode&utm_medium=feed) Use Case:- We have a business use case where we need to call our nightly job for multiple tenants. Initially, I planned to use EventBridge Bus and Rules to achieve this goal. However, we discovered that EventBridge Rules has a limit of 5 targets, whi... 4 min read · [awsmantra.com](https://awsmantra.com/eventbridge-schedule-to-step-functions-no-codeno-lambda?utm_source=hashnode&utm_medium=feed) [Mar 22, 2023](https://hashnode.com/posts/eventbridge-schedule-to-step-functions-no-codeno-lambda/641b0007a98486c162295ca0) ### [100 millions Lambda execution and guess our AWS $$$ Bill - GoLang](https://awsmantra.com/100-millions-lambda-execution-and-guess-our-aws-bill-golang?utm_source=hashnode&utm_medium=feed) Little Background:- in 2019 we started moving from server to serverless and started adopting AWS Lambda + GoLang for any new development. My chief architect and current CTO Ben Pyle(Blog) came up with the GoLang pattern which we used in all our Micro... 4 min read · [awsmantra.com](https://awsmantra.com/100-millions-lambda-execution-and-guess-our-aws-bill-golang?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/100-millions-lambda-execution-and-guess-our-aws-bill-golang/640692e758a79f424480fe07) [Mar 7, 2023](https://hashnode.com/posts/100-millions-lambda-execution-and-guess-our-aws-bill-golang/640692e758a79f424480fe07) ### [EventBridge Scheduler- Start/Stop ECS instance](https://awsmantra.com/eventbridge-scheduler-startstop-ecs-instance?utm_source=hashnode&utm_medium=feed) As I mentioned in my prior post, we used the ECS Fargate instance in my organization. During off hours, we shut down the ECS Fargate instance every day in our lower environment to cut costs. Here is a prior article where I have explained about Start/... 3 min read · [awsmantra.com](https://awsmantra.com/eventbridge-scheduler-startstop-ecs-instance?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/eventbridge-scheduler-startstop-ecs-instance/63e1096e06d2b958e0ad294c) [Feb 6, 2023](https://hashnode.com/posts/eventbridge-scheduler-startstop-ecs-instance/63e1096e06d2b958e0ad294c)