Moin! 🖖 My name is Sebastian.

I'm a Serverless Consultant, GraphQL Specialist, certified AWS Solutions Architect, and honored AWS Serverless Hero living in Hamburg, Germany. My day job is Senior Cloud Consultant at superluminar GmbH. I am a passionate Software Engineer, Scrum Master, Leader, and Technology Enthusiast who’s fancy about vinyl records, design, people, political philosophy, vegan food, and Photography …

• How to use the Serverless Application Repository

  • German • October 12th, 2020

• Rotate secrets with AWS Secrets Manager

  • German • October 10th, 2020

• About Diversity and inclusive offices

  • German • September 25th, 2020

• Cross-account sharing with AWS Secrets Manager and KMS

  • German • September 21st, 2020

• Private NPM Registry using AWS CodeArtifact

  • German • September 16th, 2020

• React SPA with server-side rendering on AWS Lambda

  February 5th, 2020 • 1152 Words

  React is great for creating websites and writing applications using JavaScript. But, whenever the use of React is rejected, one of the most common reasons is the lack of a simple implementation for server-side rendering (SSR). When you search on Google for this topic, you’ll find various approaches…

• Deployments with serverless.com, AWS CDK, or AWS SAM?

  • German • January 30th, 2020

• Deploy React SPA with CodePipeline and CodeBuild using AWS CDK

  January 23rd, 2020 • 748 Words

  There are plenty of tools and services for continuous delivery available. Most of them are either directly built into the source code management tools you already use, or perfectly integrate with them. You might be familiar with CircleCI, Travis CI, GitLab CI, or GitHub Actions. Of course, AWS has…

• AWS re:Invent 2019 Recap & Videos

  December 15th, 2019 • 360 Words

  I was able to attend the AWS re:Invent 2019 conference. A week full of learning about current and new technologies, services, and general approaches is definitely overwhelming. There is no much content available, during the conference, and as videos and slide decks afterwards. I tried to list my…

• AWS Single Sign-On and Multi-Account Cloud Setup

  • German • August 16th, 2019

• GraphQL with AWS AppSync and AWS Lambda

  • German • July 2nd, 2019

• CloudFormation Best-Practices

  May 1st, 2019 • 457 Words

  You can find plenty of frameworks and tools to provision your AWS resources. Some of them do a great job for a specific purpose, others are more generic. Nevertheless, I do prefer to use native CloudFormation templates as much as possible. Prefix all the things Split up your CFN Stacks Nested…

• Makefile Best-Practices

  April 30th, 2019 • 167 Words

  The more projects you work on, the more streamlined your tooling gets. Hopefully. Various services using different languages have different tooling requirements, of course. A sweet Makefile can be the entry to a unified tooling interface. Hide Commands Wildcard Targets Foreach and Lists As long as I…

• AppSync GraphQL API with Custom Domain and CloudFormation

  April 7th, 2019 • 165 Words

  With AWS AppSync, it’s easy to run your own serverless GraphQL service API. Thanks to Velocity Mapping Templates, DynamoDB, and AWS Lambda your can aim for an architecture without any maintenance at all. Getting started with AppSync is not that problem; there are tons of guides and frameworks. AWS…

• Serverless GraphQL with AWS AppSync and Lambda

  June 17th, 2018 • 1009 Words

  Let me be honest with you: GraphQL is the shit! Once you use GraphQL, you will never want to use anything else again. The same is true for a working and maintainable serverless FaaS infrastructure. Combine both technologies to run a genuinely serverless GraphQL API using AWS AppSync and Lambda…

• AWS AppSync GraphQL API using CloudFormation

  May 30th, 2018 • 359 Words

  Amazon recently announced CloudFormation support for AppSync and all its features. Together with the Serverless Application Model it’s now dead simple to deploy a GraphQL API and custom Lambda resolvers without using the API at all. The GraphQL RSS Proxy example project is a serverless GraphQL API…

• Notify Slack about GitHub Releases using AWS Lambda

  February 24th, 2018 • 440 Words

  Do you use GitHub to manage your software projects and Slack for communication? With GitHub Webhooks and a simple AWS Lambda function, you can notify Slack channels about new releases of your projects. Serverless Application Model To start, just clone the project from GitHub and create a file to…

• AWS AppSync GraphQL API with Golang Lambda source

  February 20th, 2018 • 698 Words

  GraphQL has been a buzzword for a while now. I immediately fell in love with it when GitHub announced a public GraphQL API. A few weeks ago AWS introduced AppSync, a serverless GraphQL with support for custom data sources using AWS Lambda. Together with the recently introduced Go support for AWS…

• Deploy Golang Lambda with AWS Serverless Application Model

  February 13th, 2018 • 107 Words

  Amazon just recently announced native Golang support for AWS Lambda. Together with the Serverless Application Model (SAM) you can easily deploy your Golang code and create an HTTP interface using Amazon API Gateway. I created an example project on GitHub with multiple binaries that are deployed…

• 68% Mechanical Keyboard with 68Keys.io

  January 27th, 2018 • 77 Words

  With the content on 68Keys.io, you can build your own custom 68% Mechanical Keyboard! Sounds great, right? You will find all information about the needed Circuit Board, Aluminium Case, and modified TMK firmware on the project’s site. With the detailed shopping list, you can start ordering parts and…