My take on GKE auto-pilot mode

Posted on 2021-10-17 in Programmation • Tagged with security, gcp, gke, kubernetes

I recently switched from a standard GKE cluster where I had to manage nodes to an autopilot one where Google does it for me. I must say the switch was easy to do (despite an interruption of our services) and greatly simplified the management of the cluster.

I noticed this …


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Generate PDF from React components

Posted on 2021-09-26 in Programmation • Tagged with JavaScript, React, Chrome, Puppeteer

How do you generate a PDF from any React components? I am not talking about just allowing your users to print a page into a PDF with their browser, I am talking about transforming a page as PDF programmatically and saving it server side. The idea is for our user …


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Build a sequence that is reset everyday

Posted on 2021-04-08 in Programmation • Tagged with Django, Python, PostgreSQL

How to create a database sequence that will be reset everyday? That is a sequence that will get one the first time of each day? It sounds easy but it's not that much.

Note

This article will focus on PostgreSQL since it's the database I use. A similar solution may …


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Make JS code communicate with a ServiceWorker

Posted on 2020-08-18 in Programmation • Tagged with JavaScript, Web, ServiceWorker

If you need to send data from your JS code to your ServiceWorker, you can do it like this:

navigator.serviceWorker.register("./sw.js").then(registration => {
    registration.active.postMessage("Some message");
});

You can then rely on this code in the ServiceWorker to read the message:

self.addEventListener("message", event => {
    console …

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Should you build a SPA?

Posted on 2020-06-15 in Programmation • Tagged with JavaScript, Web, Django

This article is an update to a previous article why you want to build a SPA which I think was laking some nuance and precision. Reading this article is not required to read this one. I'm writing this update because SPAs are very popular and I recently though more about …


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JavaScript fatigue

Posted on 2020-05-31 in Programmation • Tagged with JavaScript

Today, I'd like to dig into something that has been bothering me lately: why I often feel tired of JavaScript (and even sometimes programming in general). I'm not alone in this, there's even a name for this JavaScript fatigue. Here I'll give my personal thoughts on this (and probably rant …


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PWAs and Django

Posted on 2020-02-29 in Programmation • Tagged with Python, Django, PWA, JavaScript

In this article, I'll guide you to create a PWA with the Django framework. All the code for this project is available under my gitlab account. You will find in each sections links to the relevant commits to help you follow. If something is not clear or if you have …


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Why you probably want to make a SPA

Posted on 2020-01-12 in Programmation • Tagged with JavaScript, Web, Django

Important

I created an updated version of this article in should you build a SPA which provides a more complete and balanced view on this subject. Please read it instead of this current article.

I am currently working professionally on a website that is not a SPA. I'd like to …


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Deploy to your test server with git hooks

Posted on 2018-09-09 in Programmation • Tagged with git, devops

You probably already wanted to have your own test environment to allow others in the company to tests what you did. Perhaps you have a common one, but as your team is growing, it is probable that the common environment is a bottleneck and you wish each developer could have …


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Run multiple docker daemons on the same host

Posted on 2018-02-25 in Programmation • Tagged with Docker, Linux

Today I am going to explain how you can run multiple docker daemons on the same host. This can be useful if you want several users to use docker and want each of them to be isolated from one another (ie don't see images, containers, … of other users). The solution …


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