Udemy

On Udemy, you can find a huge number of courses of all kinds, at all levels — and to be honest, of all qualities. Fortunately, it’s possible to get a refund if you haven’t purchased the course too long ago and if you haven’t completed too many lessons. So here’s a tip: quickly watch two…

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AWS lambda and layers

How to add a layer made with numpy and pandas and allow your lambda to call it. Create a package #!/bin/bash # 🔧 Configurable variables LAYER_NAME=”pandas-layer” PYTHON_VERSION=”3.10″ PACKAGE_DIR=”python” ZIP_NAME=”${LAYER_NAME}.zip”  mkdir -p $PACKAGE_DIR python$PYTHON_VERSION -m pip install pandas numpy -t $PACKAGE_DIR echo ” Creating zip file…” zip -r $ZIP_NAME $PACKAGE_DIR echo ” Layer package created: $ZIP_NAME” Add this package to your lambda layer Create a lambda…

Patterns of Enterprise Application Architecture

This book was very comprehensive, but it is now outdated. Some concepts are still interesting, but they are now better developed elsewhere, such as in Designing Data-Intensive Applications , while others have become obsolete. This reminds us that no matter the value of a book or its author, technology evolves so fast that 20 years feels…

C4

Let’s talk today about C4 in action, the framework that allows you to diagram architectures. We use it to diagram system  with a hierarchy of four levels of description: C1: Context C2: Containers C3: Components C4: Code To clarify, C4 diagrams are not commonly created in most cases.. too heavy and useless. Here, we want…

S3 and Lambda

  Today, a small use case: A user uploads a file to an S3 bucket, triggering an event that launches a Python Lambda function. This Lambda function makes some minor modifications to the file, creates a new version, and stores it in another bucket. The entire setup was implemented using Terraform.   Python file import…

Mastering API architecture

    The book covers the following phases: design, building, and testing, traffic management with API gateways and service meshes, followed by deployment and security how to make the architecture scalable. I really appreciated the section on API gateways and service meshes, which I found very well explained. This book is an excellent approach to…