Sönke Ruempler

Situation You want to pull videos from a KiKA mediathek section, but only the ones aimed at older kids — no preschool.

In Part 1, we laid the foundation for a vertical architecture

While Deptrac is commonly used to enforce horizontal boundaries within PHP projects, it can also help define and maintain vertical boundaries (such as Bounded Contexts in DDD speak, or Quanta) in PHP monoliths.

The Lost Update Problem is a common issue in concurrent systems, where two transactions read the same data, modify it, and write it back to the database.

Let’s have a look at the React Function as Children Pattern.

In the world of software development, ensuring the quality and reliability of code is paramount.

Since AWS is going to sunset / auto-upgrade Aurora Serverless v1 in December 2024, it’s time to upgrade to Aurora Serverless v2.

Code reviews can be very time-consuming.

This article demonstrates how to upgrade an CDK (or Cloudformation)-managed AWS Aurora cluster from MySQL 5.7 compatible AWS Aurora 2 to MySQL compatible Aurora 3 engine without any - ok, I lied - one minute of downtime.

When managing RDS parameter groups with CloudFormation, you might have noticed that changes to a DB cluster or instance parameter group will always cause a reboot of the RDS instance.

Having defined what is serverless and what not in the last article, this time let’s have a look at one particular characteristic of serverless systems: they can scale to zero also known as: you don’t pay for idling resources.

A recurring task when provisioning databases is to initialize them with initial users, stored procedures, and/or tables.

Setting up Amazon Aurora as a replica of an external MySQL primary is a common way of synchronizing and/or migrating self-managed MySQL databases to RDS/Aurora.

Recently I was trying to restore a Aurora database from an Percona xtrabackup, the de-facto industry standard for backing up self-managed MySQL databases.

For me, serverless has become the default model of developing backend applications.

There is a lot of buzz and marketing around the term “serverless”.

Situation You want to upload a file to S3 with Axios and the PUT method.

When we begin doing some things in AWS, we usually start with a single AWS account and create our AWS resources in it.

This is an annotated transcription from Paul O’Neill’s talk on leadership - in my opinion the most powerful and inspiring talk I have ever seen on leadership.

A recent challenge for one of the teams I am currently involved was to find a way in AWS CloudWatch: To alert if the metric breaches a specified threshold.