Piotr Pabis articles - 28 total
Choose IaC wisely the first time: CloudFormation, Terraform and pain
Someone decided to use CloudFormation as the IaC tool of choice, once in the past. Why? Nobody knows...
Don't waste YubiKey's potential - Custom OTP Lambda Authorizer
In the previous post, we have created a Lambda Authorizer for API Gateway that used default factory...
YubiKey OTP Lambda Authorizer in API Gateway
Do you have a YubiKey? It has a button (or a touch sensor), right? So, plug it in, open a text...
Faster ECS startup - building SOCI Index in GitLab Pipeline
Building SOCI containers in a CI/CD pipeline when your control over the environment is restricted was...
AWS Summit Hamburg 2025 Summary
Germany's AWS Summit usually took place in Berlin around May and June. But this year, it was held in...
AWS Session Manager but in Azure? Introducing Azure Bastion
In Azure there's no Systems Manager, that's pretty obvious when you know that it's an AWS product....
AWS NAT Instance from scratch - cheap and simple
As the third approach to creating a new NAT instance on AWS, I want to show you how to cleanly and...
AWS EC2 Image Builder by example with Terraform
Image Builder is a service that allows you to build AMIs and Docker images step-by-step using a...
Website behind Active Directory/LDAP with Nginx
LDAP is a pretty known and widely used protocol in the world of IT, although it is not as comfortable...
S3: Presigned URL upload with tags
S3 native feature of presigned URL is great - you can save on compute costs as everything will be...
Application Load Balancer - Drop Invalid Headers
We use HTTP headers all the time. In requests we do, we often send cookies, authorization headers...
Why you should use AppConfig
We all know that we should store our configuration in Git. But I have seen very often, that the...
Eine Website hinter Active Directory/LDAP mit Nginx
LDAP ist eine ganz normale Sache in der IT-Welt, obwohl es nicht so bequem ist wie OAuth oder OpenID...
Speeding up ECS containers with SOCI
Waiting for your deployment to finish. What a painful experience. You have to wait for build. You...
CloudFormation template generator with LLMs/GenAI
Today, I will be guiding you through implementation of a script that creates a CloudFormation...
LLM Agents with Ell - Basics
Ell is a quite new Python library that is similar to LangChain. In my opinion it feels simpler to use...
Private Self-Hosted OIDC AWS Authentication
Often times in order to connect to AWS services from our local machines or external systems, we...
Cut Costs in OpenSearch Serverless with Bedrock Knowledge Base - Part 2
In the last post, we constructed all the necessary resources to create a Bedrock Knowledge Base...
Cut Costs in OpenSearch Serverless and Bedrock Knowledge Base
One thing that grinds my gears about AWS OpenSearch Serverless is that it is "serverless". That means...
Daily Git diff into S3 - external Git repository
This is an update to my recent post about creating daily Git diffs between today's and previous day's...
Daily Git Diff into S3
One thing I need for a future project is a way to collect all the changes in a Git repository (on a...
Effective task management in Habitica using a text file and AWS Serverless
Creating tasks (to-dos) in Habitica is not the most effective and pleasant thing using the UI...
Track your performance using Habitica, Timestream and Grafana
Habitica is an excellent tool for keeping yourself sticking to what you have planned for yourself....
Use AWS Serverless to sell items in Habitica
I use Habitica daily. It is a very strong motivator to keep me on track with my daily tasks. However,...
How I configured YubiKey to sign and decrypt emails on Mac
Originally published on my blog As you see on my "resume" page, I uploaded my public key for...
AWS Storage Gateway for Home Backups
World Backup Day is long behind us but it's never too late. I was thinking about methods to backup my...
Multi-Account/Environment DNS Zones
Originally posted on my blog One of the best practices for running and developing a service is to...
Lambda@Edge: Select test origin or stick to the old
Originally posted on my blog Last Friday I joined the live stream of AWS Power Hour: Architecting...