Update docker-compose.yml

add healthcheck

examples/ghost/docker-compose.yml

@@ -9,6 +9,11 @@ services:
     depends_on:
       database:
         condition: service_healthy
+    healthcheck:
+      test: "nc localhost 2368 || exit 1"
+      interval: 30s
+      timeout: 10s
+      retries: 5        
     expose:
       - 2368
     ports: