Creating and deploying a Serverless REST API with AWS Lambda, DynamoDB and API Gateway and node.js

AWS Lambda is a compute service that lets you run code without provisioning or managing servers. Amazon DynamoDB is a fast and flexible nonrelational database service for all applications that need consistent, single-digit millisecond latency at any scale. Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, … Continue reading Creating and deploying a Serverless REST API with AWS Lambda, DynamoDB and API Gateway and node.js

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How to GET and POST data from DynamoDB table using node.js and AWS Lambda(Serverless function)?

AWS Lambda is a compute service that lets you run code without provisioning or managing servers. Amazon DynamoDB is a fast and flexible nonrelational database service for all applications that need consistent, single-digit millisecond latency at any scale. Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, … Continue reading How to GET and POST data from DynamoDB table using node.js and AWS Lambda(Serverless function)?

How to add data to DynamoDB table using AWS Lambda(serverless) function?

AWS Lambda is a compute service that lets you run code without provisioning or managing servers. Amazon DynamoDB is a fast and flexible nonrelational database service for all applications that need consistent, single-digit millisecond latency at any scale. Let us see how we can execute our code in AWS Lambda so that it saves the data in … Continue reading How to add data to DynamoDB table using AWS Lambda(serverless) function?

Cloud 101: Deployment Models

Cloud Deployment models are of three types: Private Public Hybrid Private Cloud Cloud infrastructure operated solely for a single organization. It is managed internally or by a third-party, and hosted either internally or externally. This model offers the versatility and convenience of the cloud, while preserving the management, control and security common to local data centers. … Continue reading Cloud 101: Deployment Models

Serverless Battle: Azure Functions compared to AWS lambda

Since the last 4 years or so the cloud computing has been a game changer in a number ways and the emergence of serverless computing/architectures has just solved many of the core computing problems. Serverless is about abstracting users away from servers, infrastructure, and having to deal with low-level configuration or the core operating system.  … Continue reading Serverless Battle: Azure Functions compared to AWS lambda

Resolved! – AWS Lex: ‘An error has occurred: Received error response from Lambda: Handled’

While invoking Lambda function through AWS Lex we generally get below error. An error has occurred: Received error response from Lambda: Handled There could be many reasons for this error to occur. Suppose lambda has following callback response function in node.js: Now according to the AWS docs here the fullfilmentState is a mandatory key field also … Continue reading Resolved! – AWS Lex: ‘An error has occurred: Received error response from Lambda: Handled’

AWS: Relational Database Service – RDS

Relational Database Service also known as RDS is a collection of AWS services for managed relational databases. We call the database as managed because AWS takes care of: Scheduled automated backups Simple Software Backups Managed infrastructure for the database If your database is hosted on EC2 then you have to figure out about database backups, … Continue reading AWS: Relational Database Service – RDS