Environment banner

Uses DJANGO_ENV to determine environment name

Author: swebberuk

manage_breast_screening/assets/sass/main.scss

@@ -50,6 +50,24 @@ a[href="#"] {
   color: #c80000 !important;
 }
 
+// Environment banner at the top of the page
+.app-environment {
+  @include nhsuk-font-size(14);
+  @include nhsuk-responsive-padding(2, bottom);
+  @include nhsuk-responsive-padding(2, top);
+
+  .nhsuk-link {
+    color: inherit;
+  }
+
+  .nhsuk-width-container {
+    align-items: baseline;
+    display: flex;
+    flex-wrap: wrap;
+    gap: nhsuk-spacing(1) nhsuk-spacing(2);
+  }
+}
+
 // Status tag positioning within headers
 .app-header {
   position: relative;

manage_breast_screening/config/jinja2_env.py

@@ -38,6 +38,7 @@ def environment(**options):
             "raise": raise_helper,
             "static": static,
             "url": reverse,
+            "DJANGO_ENV": settings.DJANGO_ENV,
         }
     )
 

manage_breast_screening/config/settings/base.py

@@ -34,6 +34,8 @@ def list_env(key):
 
 DJANGO_ENV = environ.get("DJANGO_ENV", "production")
 
+IS_PRODUCTION = DJANGO_ENV == "production"
+
 ALLOWED_HOSTS = list_env("ALLOWED_HOSTS")
 CSRF_TRUSTED_ORIGINS = list_env("CSRF_TRUSTED_ORIGINS")
 
@@ -75,7 +77,7 @@ def list_env(key):
     "csp",
 ]
 
-if DJANGO_ENV != "production":
+if not IS_PRODUCTION:
     INSTALLED_APPS.append("manage_breast_screening.nonprod")
 
 MIDDLEWARE = [
@@ -177,7 +179,7 @@ def list_env(key):
 }
 
 
-if DJANGO_ENV != "production":
+if not IS_PRODUCTION:
     if environ.get("BLOB_STORAGE_CONNECTION_STRING"):
         # Use connection string if provided (e.g., in local development using Azurite)
         dicom_storage_options = {

manage_breast_screening/core/jinja2/layout-app.jinja

@@ -14,6 +14,17 @@
 {% block pageTitle %}{% if form and form.errors %}Error: {% endif %}{% if page_title %}{{ page_title }} – {% endif %}Manage breast screening – NHS{% endblock %}
 
 {% block header %}
+  {% if not IS_PRODUCTION %}
+    <div class="app-environment nhsuk-tag--grey">
+      <div class="nhsuk-width-container">
+        <strong class="nhsuk-tag nhsuk-tag--grey">
+          {{ DJANGO_ENV }}
+        </strong>
+        This is the {{ DJANGO_ENV }} environment.
+      </div>
+    </div>
+  {% endif %}
+
   {{ header({
     "classes": "nhsuk-header--inline",
     "service": {

manage_breast_screening/nonprod/management/commands/seed_demo_data.py

@@ -1,8 +1,8 @@
 import logging
 from datetime import datetime, timedelta
-from os import getenv
 
 import yaml
+from django.conf import settings
 from django.core.management.base import BaseCommand
 from django.db import connection
 from django.test import override_settings
@@ -54,7 +54,7 @@ def file_from_name(self, file_name):
         return open("manage_breast_screening/data/" + file_name)
 
     def handle(self, *args, **kwargs):
-        if getenv("DJANGO_ENV", "production") == "production":
+        if settings.IS_PRODUCTION:
             raise Exception("This command cannot be run in production")
 
         if not kwargs["noinput"]: