Update django example

Deps, ignore, dockerfile/compose

Author: pythoninthegrass

.gitignore

@@ -1,7 +1,6 @@
 # ETC
 django/composeexample/
 django/data/
-django/manage.py
 *.sqlite
 !*.example
 *.pem

django/.dockerignore

@@ -0,0 +1,36 @@
+**/__pycache__
+**/.classpath
+**/.dockerignore
+**/.DS_Store
+**/.editorconfig
+**/.env
+**/.git
+**/.github
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/*.py#
+**/*.py~
+**/*.pyc
+**/azds.yaml
+**/bin
+**/charts
+**/compose*
+**/csv
+**/django
+**/docker-compose*
+**/Dockerfile*
+**/img
+**/node_modules
+**/npm-debug.log
+**/obj
+**/README.md
+**/secrets.dev.yaml
+**/terraform
+**/values.dev.yaml

django/Dockerfile

@@ -1,8 +1,8 @@
 # syntax=docker/dockerfile:1
-FROM python:3
+FROM python:3.10.9-slim-bullseye
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
-WORKDIR /code
-COPY requirements.txt /code/
+WORKDIR /app
+COPY requirements.txt .
 RUN pip install -r requirements.txt
-COPY . /code/
+COPY . .

django/compose.yml

@@ -3,6 +3,7 @@ version: "3.9"
 
 services:
   db:
+      platform: linux/arm64/v8
       image: postgres
       volumes:
       - ./data/db:/var/lib/postgresql/data
@@ -11,12 +12,13 @@ services:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
   web:
+      platform: linux/arm64/v8
       build: .
-      command: python manage.py runserver 0.0.0.0:8000
+      command: python manage.py runserver 0.0.0.0:${PORT:-8000}
       volumes:
-      - .:/code
+      - .:/app
       ports:
-      - "8000:8000"
+      - ${PORT:-8000}:${PORT:-8000}
       environment:
       - POSTGRES_NAME=postgres
       - POSTGRES_USER=postgres

django/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "composeexample.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

django/requirements.txt

@@ -1,2 +1,2 @@
-Django>=3.0,<4.0
-psycopg2>=2.8
+django==4.1.7 ; python_full_version >= "3.10.9" and python_full_version < "4.0.0"
+psycopg2-binary==2.9.5 ; python_full_version >= "3.10.9" and python_full_version < "4.0.0"