Manage deployment transitions for static application

Posted on 2021-04-25 in Trucs et astuces • Tagged with Docker, Kubernetes

When you deploy a frontend app, most of the time the name of your assets contains their hash so you can easily cache the files. So instead of just having main.js you will have something like main.1234.js. The problem is that your HTML will reference main.1234 …


Continue reading

Using DateTimeRangeField in Django

Posted on 2021-04-06 in Trucs et astuces

:tags:Django, Python, PostgreSQL :lang: en

The basics

If you need to store a datetime range in Django (for instance from which day to which day a listing is valid), instead of relying on two fields like valid_from and valid_to, you can use a single field validity_range of type DateRangeField …


Continue reading

Deploy a React app in kuberentes

Posted on 2021-04-01 in Trucs et astuces • Tagged with devops, k8s, kubernetes, Django, Python

I recently deployed a React app in kubernetes. It was initially deployed directly in a public bucket: I have an API that is already hosted on kubernetes, but the app itself is made only of static files, so it made sense. However, requirements for my app changed and I required …


Continue reading

Manage static files for Django when deployed on kubernetes

Posted on 2021-03-31 in Trucs et astuces • Tagged with devops, k8s, kubernetes, Django, Python

This will be a continuation of my article Some tips to deploy Django in kubernetes. In this previous article, I talked about generic tips you should apply to deploy Django into kuberentes. Here, I'll focus on static files.

If you don't already know that, gunicorn (or any other app server …


Continue reading

Some tips to deploy Django in kubernetes

Posted on 2021-03-29 in Trucs et astuces • Tagged with devops, k8s, kubernetes, Django, Python

I am not going to go into details in this article about how you can deploy Django in kubernetes. I am just going to highlight the main points you should pay attention to when deploying a Django app. I expect you to have prior knowledge about how to deploy an …


Continue reading

Enable basic authentication to all pages of a NextJS site

Posted on 2021-03-28 in Trucs et astuces • Tagged with devops

It's not as obvious at it seems. You can protect your API routes or some pages by following the documentation, but nothing to protect everything in one go with basic authentication (to protect your pre-production site from normal user for instance). Despite NexJS having a server component, I didn't find …


Continue reading

Extra kubectl configmap/secret to .env file

Posted on 2021-03-21 in Trucs et astuces • Tagged with devops, k8s, kubernetes

You can extract data from your kubernetes config maps into a .env file with the commands below (requires you to have jq installed):

# Get the data in JSON.
kubectl get configmap my-map --output json |
    # Extract the data section.
    jq '.data' |
    # Replace each "key": "value" pair with "key=value"
    jq -r …

Continue reading

Server tips

Posted on 2020-09-17 in Trucs et astuces

Start systemd services automatically for a user

By default sysemtd services linked to a user – created with systemctl --user enable --now service for instance – are only started after the first login of the user. To start them when the server starts, you …


Continue reading

CSS tips

Posted on 2019-03-10 in Trucs et astuces • Tagged with CSS

Apply style to IE11 only

Put the style in this media query:

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    // Put CSS here
}

PyCharm tips

Posted on 2019-03-10 in Trucs et astuces • Tagged with Python, IDE, PyCharm

View print output immediately

Add PYTHONUNBUFFERED=1 in run config or .env (only use .env if you use the plugin). This is meant to immediately view the output …


Continue reading