Introduction Building AI agents that work in production requires more than wrapping an LLM API. You need tool execution, streaming responses, cost management, and integration with existing systems. After evaluating several frameworks for ai-secure…
Introduction Building production-ready AI agents requires more than just a prompt and an LLM. You need infrastructure for state management, tool execution, and secure deployment. I recently built https://ai-secure.dev, a SaaS for automated security…
Learnings Try to have complex flows solely solved by the agent. And then write deterministic code. speed. Introduction Building production-ready AI agents requires more than just a prompt and an LLM. You need infrastructure for state management, tool…
Recently AWS announced the end of support for X-Ray SDK and daemon. So they are recommending Before February 25th, 2027 we recommend that you migrate to OpenTelemetry solutions for instrumenting your application and sending traces to AWS X-Ray source…
Hi there, I recently developed an MCP Server with using our HalloCasa Zapier Integration. Zapier MCP is nice but I wanted to try AWS Bedrock AgentCore Gateway to develop an MCP Server Because it allows you to leverage an OpenAPI Spec as target which…
Hi there, My Co-Founder Michael Franz and I founded https://hallocasa.com a while back. It is a property listing and agency platform to list and search for properties https://hallocasa.com/properties or to find a property broker https://hallocasa.com…
Recently, a client approached me with an intriguing request: to migrate their SST (v.2 https://v2.sst.dev/) project to Terraform. This task presents several interesting challenges, particularly in mapping SST and CDK constructs to equivalent…
created a podcast listening to a lot podcast so why not do one by myself I want to help engineers finding a job I want to discuss exciting topics like combining a religious live with engineering Conclusion ... Bonus - AB Picturer . Did you notice the…
Hi Friends. My AWS Solution Architect Professional expires in mid-2022. Since then, I've occasionally thought about renewing, but I didn't want to invest the time to prepare. But now a customer was paying me to take the exam, so why not. Here's some…
Recently, AWS released Claude v3. It comes with the Haiku and Sonnet flavors. Both are big improvements over the previous version. We recently updated our arcBot to use Claude v3 Sonnet and are very impressed with the results. Not only are the…
Images are crucial to effective advertising! AI has made it incredibly easy to create images. But how do you know if an image will move your audience or not? You can try AB Picture Testing. With AB Picture Testing, two different image variants are…
I recently started exploring SST as an alternative to my favorite full-stack set consisting of Projen, AWS CDK, and React. I have been thoroughly impressed with the experience so far. In this article, I will demonstrate how to create a Next.js App…
Using the AWS Bedrock API for MVPs is incredibly enjoyable! I recently wrote an article on how you can make the LLM Claude respond in JSON. You can check it out here. While it's a lot of fun, testing your LLM settings and prompts can become tiresome…
Hi there, I'm new to Powertools for AWS Lambda (TypeScript). Though I hear a lot of my DevOps friends say that it's a great tool for building serverless applications, I've never had the chance to use it myself. So I decided to give it a try and see…
Validating the response from your Language Learning Model (LLM) is a critical step in the development process. It ensures that the response is in the correct format and contains the expected data. Manual evaluation can quickly become tiresome…
Working with the AWS Bedrock API is an exhilarating experience! I came across an interesting business case where I needed to develop an AI MVP. The MVP generates JSON data based on a prompt and utilizes the anthropic.claude-v2:1 model in AWS Bedrock…
A fresh start can be daunting, especially when it comes to revamping an existing Java Spring application. This was my journey with the HalloCasa real estate platform, and here's how we took it from deployment nightmares to smooth, cloud-native…
Hi, With Amplify AppSync it is possible to configure an AWS AppSync with declarative code. With Directives like @model, @auth or @function other AWS services like DynamoDB, Cognito or Lambda can be connected to AppSync in a meaningful way. This makes…
Hi, In this blog post, I want to briefly explain what cdktf is and how you can use it to create a TypeScript Lambda. The motivation for this came from a StackOverflow post. What is cdktf? The Cloud Development Kit for Terraform (cdktf) is a toolkit…
It is getting cold in Germany. So just better reasons to stay inside and build cool Cloud stuff :)! If you like my content follow me on my usual spots to hang around: https://twitter.com/MartinMueller_ https://www.linkedin.com/in/martinmueller8…
Hi, Terraform CI/CD staging pipelines, where the CD stands for Continuous Deployment, allow a secure and continuous development of infrastructure with Terraform. Typically, a commit in the main branch starts the pipeline and the desired changes are…
Last week newsletter didn't appeared as I needed to relax a bit. In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Serverless, Data Engineering…
Hi, Seamless integration of AWS CDK and Amplify apps used to be very cumbersome! With a runtime-config for the Amplify frontend React app, it's now much easier. Here I would like to introduce you to the idea of a runtime-config. In my fullstack…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Serverless, Data Engineering, Data Analytics and much more. If you like my content follow me on my…
This week was my first week solely working as a freelancer. That is scary but exciting too :)! In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK…
This week was tough as it was my last week at Monada. It was a great time working with great engineers and I am super excited to follow the future development of Monada :). In this weekly newsletter, I write a summary of posts that got my attention…
This week was hot in Germany. Not just in terms of cool news around DevOps and more, it was physically hot :). My highlight of this week was the in-person AWS UG Meetup in Berlin. It was super amazing to see some AWS CDK friends in real :)! In this…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Serverless, Data Engineering, Data Analytics and much more. If you like my content follow me on my…
cdk-lambda-timeout-eng (Click me :D) Ahoy, AWS Lambda is probably one of the most famous if not the most famous compute service from AWS. In fact, Lambda is also my favorite AWS service because it makes implementing business logic very easy and…
This week was crazy exciting. On Thursday I took the train to Munich for attending to an AWS Meetup and visit a client and friend. Both events were super empowering and in times like this, I feel very grateful and thankful to work in this area. In…
Hi everyone. I want to make my senjuns project production-ready. So far I had only deployed it in my developer AWS account. My developer account has no AWS services configured that are needed for a reasonable production environment. These are for…
Hello friends. Another week passed by! My highlights of the week were the German CDK Happy Hour Meetup on Wednesday where an AWS CDK project was presented which leverages AWS ECS with Blue/Green deployments. That is super exciting as that is not…
Hi folks. What a week. Close by the Azure Meetup started happening again after like 2 years. Was great to see my old Meetup friends again. You might think wait what why Azure you are an AWS guy? Yes, true but learning more about the other cloud …
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
To clear up a possible misunderstanding right away! Serverless does not mean that there are no more servers! On the contrary! Cloud providers such as AWS, which offer serverless, have many servers worldwide. In the image below you can see the…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
In this weekly newsletter, I write a summary of posts that got my attention during the week. I center around topics AWS, DevOps, Architecture, AWS CDK, Data Engineering, Data Analytics and much more. If you like my content follow me on my usual spots…
Hi. In AWS, it is best practice to create new accounts if, for example, you want to deploy different stages such as dev, qa and prod for your solution. It is also common to create so-called sandbox AWS accounts to provide these new employees for…
Hi, Lambda@Edge are Lambdas that are executed in the AWS Cloudfront Locations. That can increase performance and reduce latency compared to normal Lambda. Cloudfront together with Lambda@Edge can also being used as a proxy for a private S3 asset…
Hi CDK folks. A few months ago I told you about my exciting project to build a CDK BitBucket Staging Pipeline. Since then, a lot has happened and we have continued to develop the pipeline. Problems with CDK cross-stack references CDK cross-stack…
Hi CDK folks For a startup I am building a security platform. The rough process for using the platform is something like this. The customer answers a few questions and then gets a security evaluation. For the prototype I decided to use AWS…
I have been working for a client with very exciting AWS CDK tasks. The customer is heavily into the Atlassian ecosystem. BitBucket is used to host the code. Now the customer wants to move more into the DevOps space and manage their AWS deployments…
Prowler Video (Click me :D) Hi Folks! Developing in AWS is fun and the possibilities to build cool stuff seem endless. But are these cool things secure and do they follow AWS's best practices? With Prowler AMI you can check just that with far over…
Hi Folks! Toni De La Fluente has developed the super cool AWS Security Tool Prowler. Prowler is a cli tool for performing and consulting AWS Security Assessment, Auditing, Hardening and Incident Response. With more than 180 checks, Prowler provides…
Hi Folks! I am currently working on an exciting project where it should be possible to create Ec2 instances flexibly via an API. These instances should then be made available to the customer for training purposes. The instances should be customized…
Hi CDK Fans! With Custom Constructs it is possible to implement certain features as Level 2 AWS CDK Constructs. In fact, many of the AWS CDK Constructs already in use are already Level 2 Constructs. I have already built some custom constructs. There…
Hi. In my previous blog posts I showed how to generate analytics from DynamoDB table using AWS QuickSight. Unfortunately, QuickSight is only minimally supported by Cloudformation and QuickSight's DataSource and DataSet are only on the roadmap so far…
Hi. In my last blogpost, I covered exciting work with AWS Athena and AWS QuickSight. If you want to do analytics from small AWS DynamoDB tables, everything should work smoothly. By small I mean a relatively small number of columns in the table. It…
Hi. AWS DynamoDB is an extremely performant and scalable NoSQL database. Due to the lack of a schema, data, called items in DynamoDb, can be extremely flexible. This also allows a kind of evolutionary development of the items by simply creating new…
Hi. For a long time I've been dreaming of building a platform with a great DevOps experience. I want to have cool stuff in it like: Infrastructure as Code (IAC) CI / CD (Continuous Integration / Continuous Deployment) A staging e.g. dev, qa, prod…
Hi Raspberry Friends. Note: I have used commission links in this article and marked them with "*". Since recently I can call myself owner of a Raspberry. On Cyber Monday I bought a *Raspberry 4 with 4 GB. I have had previous experiences with Home IOT…
Hi :). The new ALPS Converter I developed makes it possible to convert an ALPS specification (spec short) to OpenApi, GraphQL or other APIs. Other great features of my ALPS unified library are: automatic versioned releasing to NPM, PyPi, Maven and…
Hi :). AWS offers many exciting Api technologies. Those include the AWS Api Gateway which is an implementation of a REST Api or AWS Appsync which implements a GRAPH QL Api. Each of these AWS Api implementations has its advantages and disadvantages…
Ahoi AWS'ler In my AWS project, where I can start, stop and schedule instances of Alfresco via REST API, I use AWS Cognito as identity provider for user management. Cognito makes it easy for me to create new users and give them the rights to access…
Hi CDK Fans, Recently I published a blog post about the AWS CDK PipelineApp Library I'm working on. If you are interested in the AWS CDK Pipeline you should read that one! Meanwhile I have used the library dozens of times in my projects and have…
Hi CDK Fans, Building AWS CDK pipelines is fun. Since the middle of this year (2020) there is even a high level CDK pipeline which brings many advantages like self-mutate, a simplified cross-account deployment and a better abstraction from the…
Hi CDK Fans, Welcome back to my little series "AWS CDK Let's build a platform". In the previous episode AWS CDK Let's build a Platform - Frontend I explained how we build a cool static React Web App with AWS CDK for my company unimed.de. AWS CDK is a…
Hi CDK fans, Since I have the great opportunity to help building a platform for my company unimed.de, I want to explain how it looks like. At the moment we are working on an exciting platform for efficient storage and retrieval of internal data. My…
Ahoy AWS CDK Fans Creating any number of Ec2 instances with a Lambda is no problem. But if you want to create more complex deployments such as LoadBalancer, Securitygroups, Scalingroups, etc. with a Lambda that is tricky! CDK Apps are a good choice…
Hi CDK Fans In the previous Part I I have built the DynamoDB Stream to Lambda Solution Construct into my Alfresco Provisioner CDK Deployment and discussed the benefits of doing so. This week I integrated more CDK Solutions Constructs. CDK Solutions…
Ahoy AWS'ler Recently the first CDK Solution Constructs were released. It promise a new level of abstraction for CDK Constructs by combining often used Cloudformation patterns into their own CDK Constructs. For example, if you want to use an API…
Hi AWS Fans, Last time I described how well AWS CDK is suited for describing infrastructure as code. This article is about how CDK could look in a test and production environment. In my private project I have already implemented something like a…
Ahoi AWS'ler and Swagger fans In the last post I showed how AWS CDK can be used as a welcome alternative to YAML for describing your cloud infrastructure. Working on my CDK project from I encountered a problem handling Swagger files. But first I want…
Ahoy AWS folks For a private project I have been working on an AWS CDK example in the past few days. AWS offers a range of great AWS CDK examples. The experience I had was so good that I decided to write a blog post about it. I was fortunate to work…
