Moin! 🖖 My name is Sebastian.
I’m a Serverless Consultant, GraphQL Specialist, Journalist, Photographer, certified AWS Solutions Architect, and honored AWS Serverless Hero.
Together with my great colleagues at superluminar GmbH, I do Serious Cloud Consulting based in Hamburg, Germany. I am a passionate Software Engineer, Scrum Master, Leader, and Technology Enthusiast who’s fancy about vinyl records, design, people, philosophy, and vegan food …
As an open and inclusive community, we must not tolerate any kind of sexism, racism, antisemitism, ableism, homophobia, transphobia, lookism or any kind of boundary-crossing behaviour.
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superwerker: Automate multi-account AWS environments
Managing and securing multiple AWS accounts gets complex. superwerker is a free and open-source solution to automate the setup and management of your multi-account AWS environments. Based on our experiences at superluminar, we teamed up with kreuzwerker from Berlin to bundle prescriptive best practices from multiple years of cloud consulting and created superwerker.
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AWS IoT Core2 EduKit Overview & First Steps
During Re:invent 2020, AWS announced an official AWS IoT Edukit hardware device. The M5Stack Core2 is an ESP32 development kit loaded with a display, touchscreen, motion sensor and microphone. Everything is powered either using USB or the built-in battery. The device supports FreeRTOS and is validated through AWS Device Qualification Program.
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Wallpapers for iOS
All photos on my Instagram account are in landscape format. Some photos are great to be used as wallpapers, I try to group them here. You can download, use, and adapt all wallpapers using the CC BY-SA 4.0 License.
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AWS: Encrypted SQS with SNS Subscription using KMS
To decouple services on AWS, it’s a common pattern to use Amazon SQS and Amazon SNS. With AWS Key Management Service, you can encrypt the messages stored in the SNS topic and SQS queue. For the AWS Cloud Development Kit using TypeScript, you can easily create an architecture for secure message processing.
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AWS: CloudFormation StackSet IAM Roles
With AWS CloudFormation StackSets you can deploy a CloudFormation template to multiple AWS Accounts or AWS Regions. You can use the AWS Management Console, the AWS CLI, or CloudFormation to use StackSets. Before using StackSets, you need to configure specific IAM roles to be used with CloudFormation StackSets.
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AWS CDK: Amazon API Gateway integration for SQS
Most people know Amazon API Gateway from using it to build HTTP interfaces for AWS Lambda functions. But, in general, you can use API Gateway to call a variety AWS APIs using HTTPS. This post shows how to create an HTTPS interface for Amazon SQS using the AWS Cloud Development Kit.
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AWS CDK: API Gateway Service Integration for Step Functions
Most people only use Amazon API Gateway as an HTTP interface to invoke AWS Lambda functions. But, the service has way more to offer. For example, you can easily create an HTTP interface for nearly any AWS Service; not only AWS Lambda. Based on the previous post, on how to create a State Machine with AWS Step Functions and AWS Cloud Development Kit, this post describes how to create an HTTP interface to start an execution of a State Machine using the AWS CDK.
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AWS CDK: State Machine with Step Functions
With AWS Step Functions, you can easily orchestrate serverless functions and sequence them with other AWS services to a bundle application. You can create AWS Step Functions with CloudFormation, the AWS Cloud Development Kit, or - of course - using the visual interface available in the AWS Management Console. This post shows how to orchestrate AWS Lambda functions to a simple State Machine using AWS Step Functions.
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AWS CDK Construct: Lambda Fleet for Dockerfile
Using the AWS Cloud Development Kit, deploying a AWS Lambda function using Docker container images is pure gold. The installation of dependencies for Lambda functions always stressed me out. Regardless of using Node.js or Python, managing dependencies for AWS Lambda was never fun.
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AWS CDK: Deploy Lambda with Docker
The AWS Cloud Development Kit supports building docker images for AWS Lambda. With the most recent version, the CDK builds your docker images if needed and can push the image directly to AWS Elastic Container Registry. Personally, I think this is a great feature. With supporting docker images, AWS Lambda has immutable deployment artifacts!
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Event-Driven Continuous Integration & Delivery
The more complex your application and architecture becomes, the more complex your deployment process usually gets. Most people and engineering teams only think about pipelines as a fix path of actions, that need to happen in a specific order. That’s true, no questions about that. But your process for Continuous Integration and Continuous Delivery does not need to be a monolith!
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AWS Lambda Container Image Support example for Node.js
During Re:Invent 2020, AWS announced Container Image Support for AWS Lambda functions using the AWS Elastic Container Registry. Personally, I think this is a great feature. With supporting docker images, AWS Lambda has immutable deployment artifacts!
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Hamburg: Protest March on January 17th 2021
On Sunday, January 17th 2021, a protest march took place in Hamburg to question the current corona-related regulations in Germany. More than 800 people walked through the city of Hamburg. The protest march started at Rote Flora and ended at the Jungfernstieg.
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Hamburg: Protest March on September 12th 2020
On Saturday, September 12th 2020, a protest march took place in Hamburg to question the police raids of people of the left political spectrum. Other 20 private appartments have been searched by the police in the first weeks of September.