create basic django app serving the Gähsnitz website

gaehsnitzproject/settings.py

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+import os
+
+
+def _get_env_production_mode():
+    env_var = os.environ.get("DJANGO_PRODUCTION_MODE", "false")
+    return env_var.lower() == "true"
+
+
+def _get_env_secret_key():
+    env_var = os.environ.get("DJANGO_SECRET_KEY")
+    assert env_var is not None, "DJANGO_SECRET_KEY environment variable must be set when using production mode"
+    return env_var
+
+
+def _get_env_allowed_hosts():
+    env_var = os.environ.get("DJANGO_ALLOWED_HOSTS")
+    assert env_var is not None, "DJANGO_ALLOWED_HOSTS environment variable must be set when using production mode"
+    return [host.strip() for host in env_var.split(",")]
+
+
+def _get_env_static_root():
+    env_var = os.environ.get("DJANGO_STATIC_ROOT")
+    assert env_var is not None, "DJANGO_STATIC_ROOT environment variable must be set when using production mode"
+    return env_var
+
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+PRODUCTION = _get_env_production_mode()
+
+if PRODUCTION:
+    SECRET_KEY = _get_env_secret_key()
+    DEBUG = False
+    ALLOWED_HOSTS = _get_env_allowed_hosts()
+    STATIC_ROOT = _get_env_static_root()
+else:
+    SECRET_KEY = "LqKSgoFtED4IFYxf01lBi5MEI4ExSayCakwLjyuzytDJ7vuMq9"
+    DEBUG = True
+    ALLOWED_HOSTS = ["*"]
+
+INSTALLED_APPS = [
+    "gaehsnitz",
+    "django.contrib.contenttypes",
+    "django.contrib.staticfiles",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "gaehsnitzproject.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",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "gaehsnitzproject.wsgi.application"
+
+TIME_ZONE = "Europe/Berlin"
+USE_I18N = False
+USE_L10N = False
+USE_TZ = True
+
+STATIC_URL = "/static/"

gaehsnitzproject/urls.py

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+from django.urls import path, include
+
+urlpatterns = [
+    path("", include(("gaehsnitz.urls", "gaehsnitz"))),
+]

gaehsnitzproject/wsgi.py

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+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'gaehsnitzproject.settings')
+
+application = get_wsgi_application()