Add quotes to port mappings

Author: Ickerday

docker-compose.yml

@@ -10,9 +10,9 @@ services:
       - SPLUNK_PASSWORD=changed!
       - SPLUNK_APPS_URL=https://github.com/splunk/sdk-app-collection/releases/latest/download/sdkappcollection.tgz
     ports:
-      - 8000:8000
-      - 8088:8088
-      - 8089:8089
+      - "8000:8000"
+      - "8088:8088"
+      - "8089:8089"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:8000"]
       interval: 5s