Release v1.5.0: Restructure chapters and update for Docker v30.x

09_compose/demo/django/.gitignore

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+django_example
+manage.py

09_compose/demo/django/Dockerfile

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+FROM python:3
+ENV PYTHONUNBUFFERED 1
+RUN mkdir /code
+WORKDIR /code
+ADD requirements.txt /code/
+RUN pip install -r requirements.txt
+ADD . /code/

09_compose/demo/django/docker-compose.yml

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+
+services:
+
+  db:
+    image: postgres
+    environment:
+      POSTGRES_PASSWORD: 'postgres'
+
+  web:
+    build: .
+    command: python manage.py runserver 0.0.0.0:8000
+    volumes:
+      - .:/code
+    ports:
+      - "8000:8000"

09_compose/demo/django/requirements.txt

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+Django>=5.0.6,<6.0
+psycopg2>=2.7,<3.0