python version 3.10-alpine --> 3.10-bullseye

Docker/Dev/Dockerfile

@@ -1,6 +1,10 @@
-FROM python:3.10-alpine
+FROM python:3.10-bullseye
+
 ENV PYTHONUNBUFFERED=1
 WORKDIR /code
+
 COPY requirements.txt /code/
+
 RUN pip install -r requirements.txt
+
 COPY src /code/src/

Docker/Dev/docker-compose.yml

@@ -1,6 +1,13 @@
 version: "3.9"
 
 services:
+  db:
+    image: postgres
+    volumes:
+      - dbdata:/var/lib/postgresql/data
+    env_file:
+      - ../../config/db/databasepostgresql_env
+
   django:
     restart: unless-stopped
     environment:
@@ -18,3 +25,8 @@ services:
       - "8000:8000"
     volumes:
       - ../../src:/code/src
+    depends_on:
+      - db
+
+volumes:
+  dbdata:

Docker/Prod/Dockerfile

@@ -1,7 +1,11 @@
-FROM python:3.10-alpine
+FROM python:3.10-bullseye
+
 ENV PYTHONUNBUFFERED=1
 WORKDIR /code
+
 COPY requirements.txt /code/
+
 RUN pip install -r requirements.txt
+
 COPY src /code/src/
 COPY config /code/config/

src/config/settings/development.py

@@ -9,8 +9,12 @@ CSRF_TRUSTED_ORIGINS=['http://127.0.0.1:8000']
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'NAME': env('DB_NAME'),
+        'USER': env('DB_USER'),
+        'PASSWORD': env('DB_PASSWORD'),
+        'HOST': 'db',
+        'PORT': '5432',
     }
 }