fix: update healthcheck URL to use the correct port for the app service

docker-compose-coolify.yml

@@ -10,6 +10,8 @@ services:
     # Mount the persistent volume to the actual uploads directory (/app/api/content)
     volumes:
       - app-uploads:/app/api/content
+    ports:
+      - "3000"
     environment:
       - NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
       - NEXTAUTH_URL=${NEXTAUTH_URL}
@@ -43,7 +45,7 @@ services:
         - CMD
         - curl
         - '-f'
-        - 'http://127.0.0.1:80'
+        - 'http://127.0.0.1:3000'
       interval: 2s
       timeout: 10s
       retries: 10