Tips and lesson learned about AWS Lambda and Dynamo DB in last year

background photo source: https://unsplash.com/@withluke


PDF renderer engine is good case for using AWS Lambda, because it uses a lot of memory in comparison to the rest of my application. I want to share with you implementation of PDF news app which I have created based on AWS: EC2, S3, DynamoDB, Lambda.

Concept

Workflow


React with Redux is probably the most popular front-end framework in this year. Redux is great and has changed architecture of front-end apps. If you are looking for new job, you probably will find some interesting offers with Angular 1.x, Angular 2 and others, but most interesting are about React & Redux.

  1. It’s not easy to switch to work with reducers
  2. Don’t Repeat Yourself
  3. Care about performance — render()

It’s not easy to switch to work with reducers

return {…previousObject, newValue: value}


Event handlers in React

handleChange() {...}
render() {
return(<MyInput onChange={...} />)
}


Class which cares hover-scaling effect

Miron Machnicki

Full-stack developer - react.js, node.js, serverless. @machnicki

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store