Upgrade python version in example environment and resolve build issues

CHANGELOG.md

@@ -4,6 +4,8 @@
 ### Added
 ### Changed
 ### Fixed
+- Upgrade python version in example environment and resolve build issues
+
 ### Removed
 - Drop EOL Python 3.7 support (@marteinn)
 

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.8-slim
+FROM python:3.12-slim
 
 WORKDIR /srv
 
@@ -14,12 +14,12 @@ ENV PYTHONUNBUFFERED=1 \
 COPY . /srv/
 
 RUN apt-get update \
-        && apt-get install -y netcat \
+        && apt-get install -y netcat-traditional \
         binutils libproj-dev \
         gettext libpq-dev build-essential \
         --no-install-recommends && rm -rf /var/lib/apt/lists/*
 
-RUN pip install psycopg2-binary~=2.8.0  -e .
+RUN pip install psycopg2-binary -e .
 
 ENTRYPOINT ["./docker-entrypoint.sh"]
 CMD ["runserver"]

docker-compose.yml

@@ -1,7 +1,8 @@
-services: 
+version: "3"
+services:
   web: 
     build: "./"
-    depends_on: 
+    depends_on:
       - db
     ports: 
       - "8080:8080"
@@ -23,4 +24,3 @@ services:
       - POSTGRES_PASSWORD=postgres
       - POSTGRES_DB=postgres
       - POSTGRES_HOST_AUTH_METHOD=trust
-version: "3"

settings_dev.py

@@ -2,7 +2,7 @@
 
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.postgresql_psycopg2",
+        "ENGINE": "django.db.backends.postgresql",
         "HOST": "db",
         "NAME": "postgres",
         "USER": "postgres",