Add a health check endpoint

Author: Nagasaki45

.ebextensions/health.config

@@ -0,0 +1,3 @@
+option_settings:
+  aws:elasticbeanstalk:environment:process:default:
+    HealthCheckPath: /health

xteams/middleware/health_check.py

@@ -0,0 +1,9 @@
+from django.http import HttpResponse
+
+
+def health_check_middleware(get_response):
+    def middleware(request):
+        if request.path == "/health":
+            return HttpResponse("OK")
+        return get_response(request)
+    return middleware

xteams/settings.py

@@ -47,6 +47,7 @@
 ]
 
 MIDDLEWARE = [
+    'xteams.middleware.health_check.health_check_middleware',
     'django.middleware.security.SecurityMiddleware',
     'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',