fix healthchecks

Author: raphaeltm

samples/django-channels-redis/app/django_defang/settings.py

@@ -41,7 +41,8 @@ def get_private_ips():
         return []  # or return a default list of IPs
 
 ALLOWED_HOSTS = [
-    '*.prod1.defang.dev',
+    '.prod1.defang.dev',
+    'localhost',
 ] # Add your own domain name
 
 ALLOWED_HOSTS += get_private_ips() # Add private IPs so the health check can pass

samples/django-channels-redis/compose.yaml

@@ -16,7 +16,7 @@ services:
     healthcheck:
       # wget or curl required for healthchecks on services with a published port
       # this gets parsed by Defang and provided to the load balancers as well
-      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8000/"]
+      test: ["CMD", "python3", "-c", "import sys, urllib.request; urllib.request.urlopen(sys.argv[1]).read()", "http://localhost:8000/"]
 
   redis_service:
     image: redis:6.2

starter-sample/compose.yaml

@@ -16,4 +16,4 @@ services:
     healthcheck:
       # wget or curl required for healthchecks on services with a published port
       # this gets parsed by Defang and provided to the load balancers as well
-      test: ["CMD", "wget", "-q", "--spider", "http://localhost:3000/"]
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/health" ]