For years we have tried to avoid mistakes, when in fact we should have caused them.

Image for post
Image for post
Photo by Matt Chesin on Unsplash

Wind extinguishes a candle and energizes fire.

Likewise with randomness, uncertainty, chaos; you want to use them, not hide from them.


Image for post
Image for post
Photo by Matt Chesin on Unsplash

Come l’Errore può aiutarci a realizzare sistemi cloud veramente resilienti e performanti

Il vento spegne la candela e alimenta il fuoco.
Lo stesso vale per il caso, l’incertezza e il caos: vogliamo usarli, non nasconderci da loro.


Image for post
Image for post


Image for post
Image for post
Image by kropekk_pl from Pixabay
  • Amazon Cognito User Pools
  • Amazon Cognito Identity Pools (aka Federated Identities)


Image for post
Image for post
Photo by Chris Montgomery on Unsplash

How to be an effective trainer in these tough times

Based on our observations as of early March, roughly one-half of in-person programs through June 30, 2020, have been postponed or canceled in North America; in parts of Asia and Europe, the figure…


Image for post
Image for post
Photo by Hussan Amir on Unsplash


Image for post
Image for post
Photo by Hunter James on Unsplash


Image for post
Image for post
Photo by Liam Truong on Unsplash

Wise men say that the whole is greater than the sum of its parts. In a microservice architecture, we could be tempted to unit testing the single services, forgetting these are just parts of the system.


Image for post
Image for post
Photo by James Sutton on Unsplash


Image for post
Image for post
Photo by timJ on Unsplash

Mariano Calandra

Mariano daily helps companies succeed using cloud and microservices. • AWS Authorized Instructor • AWS Community Builder • goto.calandra.me/support

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