Debugging Spring Rest Requests
We’ve been working with Spring Boot for a while now, and it gets the job done nicely. However, sometimes, somewhere between the model annotations, the defau...
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Default Jackson serde in Spring
Problem We’re using Spring in most of our Java applications, and rely on Swagger for a lot of API calls. Now, having all the jackson annotations makes everyt...
Lambda: Move S3 file based on content
We have a process that saves a file to an S3 bucket. We needed a lambda to read the file, parse part of the content, and move the file to the appropriate fol...
Basic Lambda to call internal VPC api
Product team decided they wanted a specific event to happen every time a specific email address receives an email. The first option was to poll mail server a...
Some kafka retention lessons (we learned the hard way)
We’re using Kafka (2.0 on cluster, Java client 1.1) as our messaging backbone. A different cluster is deployed in each environment, and we recently started s...
Postgres - Logging queries
We had an issue with some JQL queries returning weird results from the db, so we wanted to see exactly what’s arriving to the psql service. To see that:
AWS Re:Invent 2018 – My Top Sessions
SVR322 - From Monolith to Modern Apps: Best Practices We are a lean team consisting of developers, lead architects, business analysts, and a project manag...
AWS Re:Invent 2018 - Recap
On November 2018 I was on my first AWS Re:Invent convention in Vegas. This was an amazing experience, which I highly recommend to anyone working with AWS (do...
Kafka Streams runtime exception handling
How to handle runtime exceptions in Kafka Streams
AWS Certified Solutions Architect - Associate
I’ve been doing a Udemy course as a preparation for the AWS Certified Solutions Architect - Associate. These are my summary notes