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Why Modular Monolith is a great starting architecture for a serverless application (Part 2)
Why Modular Monolith is a great starting architecture for a serverless application (Part 2)
Second part of the series where we explore Serverless Modular Monolith in detail
Selcuk Sasoglu
Nov 14
Why Modular Monolith is a great starting architecture for a serverless application (Part 1)
Why Modular Monolith is a great starting architecture for a serverless application (Part 1)
First part of the series where we make an introduction to Serverless Modular Monoliths
Selcuk Sasoglu
Nov 14
Connect GitHub Actions with AWS using OpenID Connect
Connect GitHub Actions with AWS using OpenID Connect
A common pattern is to invoke AWS actions from a GitHub Actions workflow. For example, a workflow can be used for AWS CDK deployments…
Melle van der Linde
Nov 5
PostNL’s Serverless Journey
PostNL’s Serverless Journey
PostNL is the largest logistics supplier in the Benelux. In 2022 we delivered an average of 7.4 million letters and 1.1 million parcels…
Luc van Donkersgoed
Sep 5
AWS AppConfig and Lambda: Power in the hands of the business
AWS AppConfig and Lambda: Power in the hands of the business
As PostNL engineers we get frequent requests from our business consultants to change certain configurations in our applications, for…
Sjoerd
Apr 1
Design a mission critical serverless application for high resilience
Design a mission critical serverless application for high resilience
This explains how you can design a mission critical Serverless application for high resilience.
Pubudu Jayawardana
Mar 21
Mendix SVN upgrade to Git
Mendix SVN upgrade to Git
I once had a Mendix app that was still running in SVN (stands for Subversion) and I wanted to give it a little upgrade to Git. But what to…
Kasja Maksymiak
Mar 5
Serverless OpenTelemetry at scale: generating traces
Serverless OpenTelemetry at scale: generating traces
Welcome to the second post in the Serverless OpenTelemetry at scale series. In the first part we covered the need for observability and the…
Luc van Donkersgoed
Nov 16, 2023
How big should a Lambda function be?
How big should a Lambda function be?
Coming from this movement of monoliths to smaller microservices, it felt that Lambda functions were one more step in the direction of…
Paul van der Bijl
Nov 14, 2023
Serverless OpenTelemetry at scale: the PostNL context
Serverless OpenTelemetry at scale: the PostNL context
The logistics processes at PostNL are powered by an extensive event-driven architecture. In the center of this landscape sits the Event…
Luc van Donkersgoed
Nov 10, 2023
Evolve data structures in NoSQL with Python data models
Evolve data structures in NoSQL with Python data models
Many of the serverless applications we build at PostNL support mission critical processes. These applications need to constantly evolve…
Luc van Donkersgoed
Oct 1, 2023
How to Integrate GitHub Workflows into Your Project
How to Integrate GitHub Workflows into Your Project
Your source code repository is hosted on GitHub and now you’d like to learn how to automate processes for developing, testing, building…
Özge Kavalcı
Jul 5, 2023
Exploring the Limitations: Challenges While Migrating an AWS CDK Application With Thousands of IoT…
Exploring the Limitations: Challenges While Migrating an AWS CDK Application With Thousands of IoT…
PostNL is a modern logistics company that processes more than a billion IoT messages per day by relying on AWS IoT and fully serverless…
Çağrı
Jun 21, 2023
IoT Thing Availability at Scale in PostNL
IoT Thing Availability at Scale in PostNL
PostNL is following the ambition to become the leading postal tech company and our serverless journey on AWS continues in full speed. In…
Selcuk Sasoglu
May 8, 2023
Improved EventBridge Latency Opens Up New Use Cases at PostNL
Improved EventBridge Latency Opens Up New Use Cases at PostNL
PostNL has fully embraced AWS Serverless technology for its in-house development projects. EventBridge takes center stage in our…
Luc van Donkersgoed
Feb 20, 2023
Scheduling in AWS using time zone 📅
Scheduling in AWS using time zone 📅
Sometimes you need to schedule an AWS service based on your local time zone. As of now, that's possible! In this tutorial, we will schedule…
Jing Ma
Dec 20, 2022
Why AWS AppSync did not work out
Why AWS AppSync did not work out
Learn why we stopped doing AppSync and switched to Apollo GraphQL.
Kevin van Ingen
Nov 22, 2022
Creating a micro front-end mesh at PostNL
Creating a micro front-end mesh at PostNL
The lessons learned on our module Federation powered micro front-end strategy.
Kevin van Ingen
Oct 26, 2022
Kotlin on AWS Lambda
Kotlin on AWS Lambda
Our journey started just over a year ago at PostNL when our software engineering team was formed. We chose Kotlin as a backend programming…
Elena van Engelen - Maslova
Sep 8, 2022
The 5 Ways We Reduce Lambda Cold Starts At PostNL
The 5 Ways We Reduce Lambda Cold Starts At PostNL
PostNL has a large application landscape. Anything from distribution to sorting, from customer apps to integrations with partners is…
Luc van Donkersgoed
Apr 28, 2022
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PostNL Tech Blog
Mar 18, 2022
AWS Deployment Framework: the good, the bad, and the ugly
AWS Deployment Framework: the good, the bad, and the ugly
The AWS Deployment Framework (ADF) is an open-source project that was created and is maintained by AWS Professional Services. This tool is…
Leone Perdigão
Feb 18, 2022
Improving AWS Lambda performance and cost with ARM at PostNL
Improving AWS Lambda performance and cost with ARM at PostNL
When running applications at scale, it is always important to keep an eye out on performance and cost. But what if I would tell you there…
Chiel Fernhout
Feb 18, 2022
Implementing trust for your enterprise API’s
Implementing trust for your enterprise API’s
When I make a purchase in a webshop, I have been conditioned to check if the shop has a secure connection so that I can trust my credit…
Ricardo Kustner
Jan 3, 2022
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