add devcontainer, make app more generic so people can build off it, add command to create superuser, run migrations and superuser in compose dev

Author: raphaeltm

samples/django-postgres/.devcontainer/Dockerfile

@@ -0,0 +1 @@
+FROM mcr.microsoft.com/devcontainers/python:3.12-bookworm

samples/django-postgres/.devcontainer/devcontainer.json

@@ -0,0 +1,11 @@
+{
+  "build": {
+    "dockerfile": "Dockerfile",
+    "context": ".."
+  },
+  "features": {
+    "ghcr.io/defanglabs/devcontainer-feature/defang-cli:1.0.4": {},
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+    "ghcr.io/devcontainers/features/aws-cli:1": {}
+  }
+}

samples/django-postgres/app/Dockerfile

@@ -24,4 +24,4 @@ COPY . /code/
 RUN python manage.py collectstatic --noinput
 
 # Start server
-CMD python manage.py migrate && python manage.py createsuperuser && gunicorn crm_platform.wsgi:application --bind 0.0.0.0:8000
+CMD python manage.py migrate && python manage.py createsuperauto && gunicorn app.wsgi:application --bind 0.0.0.0:8000

samples/django-postgres/app/app/__init__.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for app project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'app.settings')
+
+application = get_asgi_application()

samples/django-postgres/app/app/asgi.py

@@ -0,0 +1,139 @@
+"""
+Django settings for app project.
+
+Generated by 'django-admin startproject' using Django 5.0.4.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/5.0/ref/settings/
+"""
+
+from pathlib import Path
+import os
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-^0jq%7b(%aj$j@n0_$gk@#73&z#t%4o#klquddg1e1hdal^9!s'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+CSRF_TRUSTED_ORIGINS = [
+    'https://*.defang.dev',
+    'http://localhost:8000',
+]
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'website',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware',
+]
+
+ROOT_URLCONF = 'app.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'app.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/5.0/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.postgresql",
+        "HOST": os.environ.get('DB_HOST', 'db'),
+        # We put the host in an environment variable because Defang
+        # detects hostnames that match service names and makes sure they
+        # are properly configured to communicate when deployed
+        "NAME": os.environ.get("POSTGRES_DB"),
+        "USER": os.environ.get("POSTGRES_USER"),
+        "PASSWORD": os.environ.get("POSTGRES_PASSWORD"),
+    }
+}
+
+
+
+# Password validation
+# https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/5.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.0/howto/static-files/
+
+STATIC_URL = 'static/'
+STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
+STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

samples/django-postgres/app/app/settings.py

@@ -0,0 +1,23 @@
+"""
+URL configuration for app project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/5.0/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+    path('', include('website.urls')),
+]

samples/django-postgres/app/app/urls.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for app project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'app.settings')
+
+application = get_wsgi_application()

samples/django-postgres/app/app/wsgi.py

@@ -6,7 +6,7 @@
 
 def main():
     """Run administrative tasks."""
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'crm_platform.settings')
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'app.settings')
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:

samples/django-postgres/app/manage.py

@@ -0,0 +1,13 @@
+from django.core.management.base import BaseCommand
+from django.contrib.auth import get_user_model
+import logging
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        User = get_user_model()
+        logger = logging.getLogger(__name__)
+        if not User.objects.filter(username='admin').exists():
+            User.objects.create_superuser('admin', '[email protected]', 'admin')
+            logger.info("Superuser 'admin' created automatically")
+        else:
+            logger.info("Superuser 'admin' already exists")