Upgrade Dockerfile to 3.12-bullseye

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-bullseye
+FROM python:3.12-bullseye
 
 ENV PYTHONUNBUFFERED 1
 EXPOSE 80
@@ -35,7 +35,7 @@ RUN playwright install \
 
 # TODO: Refactor the whole Azure storage part. (Upgrade is not enough, was tested.)
 # Until then avoid some SyntaxWarnings ("is" with a literal):
-ENV AZUREROOT=/usr/local/lib/python3.9/site-packages/azure/storage/
+ENV AZUREROOT=/usr/local/lib/python3.12/site-packages/azure/storage/
 RUN perl -pi -e 's/ is 0 / == 0 /'      ${AZUREROOT}blob/_upload_chunking.py
 RUN perl -pi -e 's/ is not -1 / != 1 /' ${AZUREROOT}blob/baseblobservice.py
 RUN perl -pi -e "s/ is '' / == '' /"    ${AZUREROOT}common/_connection.py

docker-compose.yml

@@ -67,7 +67,7 @@ services:
       POSTGRES_USER: test
       POSTGRES_DB: test
     volumes:
-      - './.db/pg:/var/lib/postgresql/data'
+      - './.db/pg-12:/var/lib/postgresql/data'
     extra_hosts:
       - "host.docker.internal:host-gateway"
 

main/urls.py

@@ -2,7 +2,7 @@
 main URL Configuration
 """
 from django.views.decorators.clickjacking import xframe_options_exempt
-from django.urls import include, path, re_path as url
+from django.urls import include, path, re_path as url  # FIXME later as best practice is "path"
 from django.conf import settings
 from django.contrib import admin
 from django.conf.urls import static