Published in application development·PinnedDeploying web application on AWS using fargate and cloudformation.Problem statement As a developer , you want a quick way of deploying your application to cloud . By no means , i have pedigree of DevOps engineer . Every time a deploy application , it has to be simple method and debugging a deployment would be a challenge . Another factor…Aws Fargate4 min read
Jan 30deleting aws cloudwatch logs programmaticallycloudwatch logs is expensive service . realistically speaking , we would not create billions of MB logs , which would cost lot of money . Aws also gives facility to say that logs will not be present beyond 1 day , 2 day , or week etc . …AWS Lambda3 min read
Published in AWS Tip·Jan 16Creating alarms using aws lambda and slack commandsBackground In previous article ( link below ) , we looked at how aws lambda can be used to trigger slack notifications Managing alarms using AWS lambda and slack messenger Alarms on slack using AWS lambdaawstip.com In this article , we will look at how slack commands and aws lambda can be used to create alarms ( records in dynamodb table) . Slack commands will…Slack Apps2 min read
Published in AWS Tip·Dec 19, 2021Managing alarms using AWS lambda and slack messengerAlarms on slack using AWS lambda — Managing alarms is a typical application . There is one for every mobile platform ( my android phone has one ) . Here I try to spin off a alarm application using AWS lambda and slack messenger . It is a fun way of learning AWS lambda and AWS server…AWS Lambda6 min read
Apr 10, 2021Employee leave maintenance - using GitHub actions for continuous integrationIntroduction As part of development using hasura , we would develop a set of graphql apis using database models . Hasura models will be available as set of migration scripts and metadata file . As requirements keep on adding ( or rather changing ) , there would be further migration scripts…Hasura5 min read
Nov 15, 2020Employee leave maintenance using hasura actions ( part-2)Introduction — Hasura makes it super easy to scaffold a inquiry or mutation given a database model . In first part we looked at how hasura makes it easy to develop a small leave maintenance application with minimum coding effort . We just need to do a design for database modelling and…Hasura8 min read
Published in application development·Jul 26, 2020Employee leave maintenance application using Hasura and VueIntroduction As application development engineer , it feels good when you can develop a web application end to end . That means controlling the complete front to back experience . As developer , would like a framework and tools , which makes it easy to write business logic and allow application…Graph QL10 min read
Aug 18, 2019Member-onlySimplifying search using elastic search and understanding search relevancyIntroduction Assume you have customer information system or customer on-boarding system . Most important functionality would be searching . on-boarding system would like to understand whether there is existing customer by the same name . Customer information search system would like to search by name Article shows how elastic search makes…Elasticsearch8 min read
Apr 18, 2019Practical approach for using face recognition in software applicationsface recognition has become a very important tool . Many interesting use cases have come up which uses for face recognition . One interesting use case , is that Chinese government is using face recognition to catch criminals . Another use case , i encountered on the twitter . Face…Machine Learning6 min read
Oct 12, 2018Introduction to api gateway using express gateway ( part 2 — authorization using jwt)Let us consider a typical authentication and authorization scenario for api User passes id/password to the server as part of authentication . password is validated , server generates a token and saves the token in the database against the user id. Server sends a token to the client. Client will…Java Script7 min read
