My Experience with Amazon Cognito

What is Amazon Cognito? Amazon Cognito is an AWS service that handles user authentication. It provides a log in/sign up form, handles email verification and manages user credentials for us. And it’s free if you have up to 50k users per month (at the time of writing this blog post). How it feels using it? […]

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Engineering

14/02/2022

AWS Security Baseline

AWS Security Baseline provides a checklist of security practices and steps that should be part of every AWS application - no excuses. This document is meant to be updated and improved over time. Principles SANE DEFAULTS - there are just things that no one should do when setting up any...

Engineering

29/09/2021

Cassandra to Kafka data pipeline (Part 2)

If you haven’t read the previous part of this blog, you can find it here. There, I have laid the necessary steps for injecting the Kafka cluster into system ‘before’ the Cassandra cluster. What I have also tackled is the first step Have a mechanism to push each Cassandra change to...

Engineering

29/09/2021

Cassandra to Kafka Data Pipeline (Part 1)

Introduction I’ve wanted to create a system which in its core uses event sourcing for quite a while - actually since I’ve read Martin Kleppmann’s Making Sense of Stream Processing. The book is really amazing, Martin tends to explain all concepts from basic building blocks and in a...

Engineering

29/09/2021

Apache Cassandra and ALLOW FILTERING

Prologue Aspiring Cassandra engineer-apprentice was fiddling with Cassandra cluster trying to fetch the data he needed. For a while, he was receiving strange responses from the server. But after hacking his way through the CQL, he finally received the response he was looking for. He...

Engineering

29/09/2021

GDPR and Apache Cassandra

delete /dɪˈliːt/ - verb: remove or obliterate (written or printed matter), especially by drawing a line through it. Schrödinger's Data As we all know, GDPR will be in force May 2018. After that, users of software products and services will have the right to be forgotten (cool,...

Engineering

My Experience with Amazon Cognito

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