Add django-health-checks

Dockerfile

@@ -18,6 +18,7 @@ RUN apk update && \
       ${dev_packages} && \
       pip install gunicorn \
         "django${django_version}" \
+        django-health-check \
         psycopg2-binary mysql-connector whitenoise[brotli] && \
       apk del ${dev_packages} && \
       apk add ${lib_packages} && \
@@ -32,5 +33,6 @@ EXPOSE 5000/tcp
 
 COPY environment_settings.py /
 COPY entrypoint.sh /
+COPY health_urls.py /settings
 
 ENTRYPOINT ["/entrypoint.sh"]

environment_settings.py

@@ -61,3 +61,19 @@ if os.getenv('DJANGO_DATABASES', None) is None:
             'PASSWORD' : os.getenv('DJANGO_DATABASE_PASSWORD', os.getenv('POSTGRES_PASSWORD', __PROJECT_NAME)),
         }
     }
+
+
+#
+# Add django-health-check to INSTALLED_APPS
+#
+INSTALLED_APPS.extend([
+    'health_check',
+    'health_check.db',
+    'health_check.cache',
+    'health_check.storage',
+])
+#
+# Substitue ROOT_URLCONF to include health checks
+#
+PROJECT_ROOT_URLCONF = ROOT_URLCONF
+ROOT_URLCONF = 'health_urls'

health_urls.py

+from django.conf import settings
+from django.urls import path, include
+
+urlpatterns = [
+    path('health_checks', include('health_check.urls')),
+    path('', include(settings.PROJECT_ROOT_URLCONF)),
+]